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## 1. A car is travelling along the road at 8 m/s .It accelerates at 1m/s2 for a distance of 18m. How fast is it travelling? 2.The distance between mumbai to delhi is 1384. A train starts from Mumbai at 4pm and reaches delhi at 10 am the next day.What is its average speed? 3.State the 3 equations of motion. Which equation describes velocity-time relation and position -time relation? 4. A cheetah starts from rest and accelerates at 2 m/s2 for 10 seconds. Calculate the final velocity and the distance travelled?

Asked by Vaibhav BR 16th May 2014 11:55 AM

## AN OBJECT MOVES WITH ACCELERATION "ALPHA" FOR SOME TIME AND "BETA"FOR ANOTHER TIME.THE OBJECT STARTS FROM REST AND IN ANOTHER HALF FINALLY COMES TO REST .THE EVENT TAKES PLACE IN TIME "t".FIND THE MAXIMUM VELOCITH ATTAIED AND TOTAL DISTANCE TRAVELLED BY THE OBJECT?

Asked by ENGLISH DSOUZA 4th June 2014 6:12 AM

## the position of the particle along x-axis varies with time as x = 4t2 - 6t + 1, then: (a) What is the velocity at t = 0? (b) When does velocity become zero?

Asked by Masood khan 15th June 2015 1:07 PM

## A student goes from his house to his friend's house with speed v1. Finding the door of his friend's closed,return back to his own house with the speed v2. Then the average speed of the student is

Asked by Anil 28th May 2017 6:28 PM

## The velocity of a particle moving on the x-axis is given by v=x^2+x, where x is in m and v is in m/s. What is its position when its acceleration is 30 m/s^2

Asked by Anil 18th June 2017 7:59 PM

## solve it

Asked by Anil 21st June 2017 5:46 PM

## q

Asked by gpnkumar0 2nd October 2017 11:23 AM

## q

Asked by gpnkumar0 2nd October 2017 11:27 AM

## a small ball is dropped from a height h onto a rigid frictionless plate at b and rebounds find the maximum height reached after rebound if the coffecient of restitution between the ball and the plate is e=0.75

Asked by harinderk13 30th October 2017 10:44 AM

## A car starts from rest with an acceleration of 6 m/s2 which decreases to zero linearly with time, in 10 seconds, after which the car continues at a constant speed. Find the time required for the car to travel 400 m from the start.

Asked by Arushi Juyal 12th November 2017 3:07 PM

## A particle starts from rest and traverses a distance l with uniform acceleration, then moves uniformly over a further distance 2l and finally comes to rest after moving a further distance 3l under uniform retardation. Assuming entire motion to be rectilinear motion, the ration of average speed over the journey to the maximum speed on its way is:

Asked by Arushi Juyal 12th November 2017 3:22 PM

## Solve this problem: A body moving with uniform acceleration Travels 84 metre in the first 6 second and 180 m in the next 5 seconds. find: (a)  the initial velocity ,and (b) the acceleration of the body.

Asked by Karuna 19th November 2017 11:35 AM

### JEE Plances ALL Class Physics Motion in a Plane

Asked by jaychandran1967 1st December 2017 10:39 PM

### NEET1 ALL Class Kinematics

Asked by Arushi Juyal 16th December 2017 6:39 AM

## A car of mass 1000kg is moving with a certain speed when a constant breaking force of 1000 N acts on it for 5 seconds and the speed of car reduces to half its original speed. Find the further time required to stop the car if the same constant force acts.

Asked by mkp400 17th December 2017 12:26 PM

### JEE Plances ALL Class Physics Motion in a Straight Line

Asked by jaychandran1967 19th December 2017 8:13 PM

## a 2m wide truck is moving with a uniform speed of 8m/s along a straight horizontal road. a pedestrian starts crossing the road at an instant when the truck is 4m away from him. the minimum constant velocity with which he should run so as to avoid the accident

Asked by jaychandran1967 20th December 2017 11:46 AM

## A boy on a cliff 19.6m high drops a stone. 1 second later he throws a second stone after the first. They both hit the ground at the same time. With what speed did he throw the second stone?

Asked by aahnik.mohanty 24th December 2017 8:29 PM

## Solve this

Asked by venkat 25th December 2017 8:56 PM

## Solve this

Asked by venkat 25th December 2017 9:03 PM

## Solve this

Asked by venkat 25th December 2017 9:06 PM

## Define velocity?

Asked by vinay.dhok 10th January 2018 11:10 PM

## Selina Publishers : Concise Physics : Class IX : Chapter 2 : Exercise 2(B) : Question number 3 : part 1 :----- Why is 6m being subtracted from 18m ?

Asked by Lynet_Melinda 13th January 2018 12:40 PM

## A stone falls freely under gravity .it covers distance h1,h2,h3 in the first 5s ,the next 5s and the next 5s respectivpy . The relatn between h1,h2,h3 is

Asked by srivastavsanjana6 31st January 2018 12:18 AM

## Explain min distance and time approach in crossing a river with diagram

Asked by ashutosh25807 1st February 2018 11:59 AM

## how much distance will a body of 500g move in 10 seconds when a force of 0.1 N is applied

Asked by Shamz 15th February 2018 11:33 PM

## Question - 2 : A ball falls freely on a perfectly elastic plate from a height of 3.0 m. At the instant  t = 0 , the velocity of the ball is zero. Draw time - velocity graph for the motion of the ball. Label the axes and show the mathematical  calculations required. ( g = 9.8 m/s^2 ).

Asked by sudhanshubhushanroy 25th February 2018 4:17 PM

## 1)A body starts from rest.what is the ratio of the distance traveled by the body during the 4th and 3rd second. 2)A person is standing in an elevator.In which case he finds his weight less than actual a)the lift moves up with constant acceleration  b)the lift moves down with constant  acceleration  c)the lift moves up with uniform velocity  d)the lift moves down with constant velocity  Plz urgent

Asked by Sunita 27th February 2018 10:11 PM

### CBSE IX Physics

Asked by md775016 2nd March 2018 10:02 PM

## A body thrown vertically upward with velocity u .what will be the greatest height H to which it will rise

Asked by Kanwaranita10 7th April 2018 12:01 PM

## For A body moving from rest and moving with uniform acceleration the ratio of distance covered for 1 second ,2 second, 3 second is ?

Asked by Kanwaranita10 7th April 2018 12:02 PM

## A ball is gently dropped from a height of 15 m. If its velocity increases uniformly at the rate of 10 M per second square velocity with which it will strike the ground is.

Asked by Kanwaranita10 7th April 2018 12:03 PM

## A body moving from rest with uniform acceleration Travels a distance x in first t seconds and travels a distance Y with same acceleration in next 2 seconds find the value of Y

Asked by Kanwaranita10 7th April 2018 12:07 PM

### CBSE IX Physics

Asked by meghnananavati 16th April 2018 6:05 PM

## If a freely falling body travels in the last second a distance equal to the distance travelled by it in first 3 seconds, then find the time of its travel.( in seconds)

Asked by acv27joy 21st April 2018 7:15 PM

## Solve the following

Asked by venkat 21st April 2018 11:44 PM

## Which option is correct? Sir I want detailed explanation

Asked by venkat 23rd April 2018 4:51 PM

## Question is in picture kindly solve it

Asked by sakshisingh3124 1st May 2018 11:27 AM

## Solve it

Asked by sakshisingh3124 1st May 2018 1:34 PM

## two balls a and b are released from rest from the roof of a building at t=0 and t=2s respectively.the ball a strikes the ground and rebounds back with the same speed.after some time both balls a and meet each other at a height of 55m from the ground.the height of the building is

Asked by Prasanna 7th May 2018 9:17 AM

## A partial start from rest  and has an acceleration of 2m/s^2 for 10s. After that ,it travels for 30s with constant speed and then undergoes a retardation of 4 km/s^2 and comes back to rest. The total distance covered by the particle is 1)650m   2)750m 3)700m.  4) 800m

Asked by Kajalmandal64 11th May 2018 2:47 PM

## A ball is droped from a high rise platform t=0 starting from rest. After 6s another ball is thrown downwards from the same platform with a speed v . The two ball meet at t=18s . What is the value of v ?      1)74m/s          2)64m/s .  3)84m/s.    4)94m/s

Asked by Kajalmandal64 11th May 2018 2:53 PM

## A stone is dropped into a well and the sound of the splash is heard after 25/8 seconds later. If the velocity of sound in the air is 352.8 m/s,find the depth of the well.(g = 9.8 m/s^2)

Asked by acv27joy 12th May 2018 7:35 PM

## A,B,C and D are points in a vertical line such that AB =BC=CD. If a body falls freely through A, prove that the time of descent through AB,BC and CD are in ratio 1:root2-1:root3 - root2.      Give ans quickly in proper steps

Asked by acv27joy 12th May 2018 7:39 PM

## A body is dropped from a certain heigh H. If the ratio of distance travelled by it in (n-3)seconds to (n-3)nd secondsecond is 4:3, find H.(g = 10 m/s^2)

Asked by acv27joy 12th May 2018 8:18 PM

## A car is moving at a certain speed stops on applying within 16 m. If the speed of car is doubled, maintaining the same retardation, then at what distance does it stops? Also calculate the percentage change in distance.

Asked by acv27joy 12th May 2018 8:26 PM

## how can i solve this numerical?

Asked by pukai7229 16th May 2018 9:28 AM

### JEE Plances JEE (Main) Physics

Asked by pukai7229 16th May 2018 9:30 AM

## please do this sum for me!!

Asked by pukai7229 16th May 2018 9:33 AM

## how do I do this numerical?

Asked by pukai7229 18th May 2018 1:24 PM

## A  all thrown upwards returns to the ground with the initial speed of u. The ball is at the height of 80 m at two times the time interval being 6 seconds. Find u, by assuming g=10m/s^2. (Please explain with diagram)

Asked by acv27joy 19th May 2018 7:03 PM

## A train starts from rest and accelerates uniformly at  a rate of 2 m/s2  for 10 seconds.It then maintains a constant velocity for 40s.On applying brakes, a train is uniformly retarded and stops in 20s.Calculate : (1) maximum velocity reached (2) retardation in last 20 secs (3) total distance travelled (4) average velocity of the train?

Asked by nishola82 22nd May 2018 11:39 PM

## A truck running at 72 km/h is brought to rest over a distance of 25 m.Calculate the retardation and time for which brakes are applied ?

Asked by nishola82 22nd May 2018 11:44 PM

## A motorbikie running at 90 km/h is slowed down to 50 km/h by application of brakes over  a distance of 40m.If the brakes are applied with the same force.Calculate : (1) total time in which bike comes to rest ? (2) total distance covered by the bike ?

Asked by nishasaumitya 22nd May 2018 11:56 PM

## A space ship travelling in space at 200 km/s, fires its engine for 10 s, such that its final velocity is 600 km/s.Calculate the total distance travelled by the spaceship in 30s starting from the time of firing ?

Asked by nishasaumitya 23rd May 2018 12:02 AM

## A body moving with uniform acceleration travels 24m in 6th second and 44 m in 11th second.Find the :(1) acceleration (2) initial velocity of the body ?

Asked by nishasaumitya 23rd May 2018 12:06 AM

## A cyclist driving at 36 km/h stops in 2s by the application of brakes.Calculate : (1) retardation (2) distance covered during application of brakes ?

Asked by Vikas 23rd May 2018 12:20 AM

## A train is moving with a velocity of 90 km/h when the brakes are applied.The retardation produced is 0.5 m/s2.Find: (1) velocity after 10 s ? (2) time taken by train to come to rest ?

Asked by Vikas 23rd May 2018 12:24 AM

## A car moving on a road with uniform accleration covers 20m in the first second and 30m in the next second. What is accleration?

Asked by acv27joy 26th May 2018 9:46 PM

## 5?

Asked by smanishkumar2002 2nd June 2018 7:57 AM

## An object starts from rest and is uniformly accelerated so that its speed is 60 m/s after 20s. If it travels with this speed for 40 s and is then brought to rest by a uniform retardation in 30 s. Sketch the velocity-time graph and calculate the acceleration, the retardation and the total distance travelled.

Asked by sbajaj544 5th June 2018 11:34 AM

## A bike and a car start from rest at the same place at the same time in the same direction. The bike accelerates uniformly at 1m/s^2 upto a speed 10m/s and the car at 0.5 m/s^2 upto speed of 15m/s. At what time the car overtakes the bike?

Asked by Heraumna176 5th June 2018 8:07 PM

## 4?

Asked by smanishkumar2002 5th June 2018 10:11 PM

## Draw the velocity time graph to show the train started from rest velocity,  then move with uniform velocity for same time and then retard .

Asked by Chaudharydheeraj130 8th June 2018 11:01 AM

## 15?

Asked by smanishkumar2002 9th June 2018 7:56 AM

## A child drop a ball from a window, the ball strike the ground in 3 s. what is the velocity of the ball before it hit the ground

Asked by Nimmi 9th June 2018 3:14 PM

## If 't' is the time of ascent , find the depth of shaft in question 37:-

Asked by arunavamitra50 16th June 2018 5:27 PM

## An object is dropped from rest . It's velocity versus time graph will be ? ( Assume downward to be positive)

Asked by arunavamitra50 16th June 2018 5:30 PM

## What will be the answer of question 27 ?

Asked by arunavamitra50 16th June 2018 6:08 PM

## What would be the answer of question 18 ?

Asked by arunavamitra50 16th June 2018 6:09 PM

## A motorcycle starts from rest and uniformly accelerates at 1m/s.Find the distance travelled in the 3rd second.

Asked by poojaramesh742 17th June 2018 1:15 PM

### CBSE XI Science Physics

Asked by arunavamitra50 19th June 2018 1:31 PM

## The particle is moving on a straight line path with initial velocity 45m/s  and along +ve x-axis and acceleration of 10. along -ve x-axis. The distance travelled by the particle in 5th second of its motion is ?

Asked by arunavamitra50 21st June 2018 7:05 AM

## A ball is thrown vertically upwards with speed of 10m/s from the top of the tower 200m high and another is thrown vertically downwards with the same speed simultaneously.the time difference between them in reaching the ground in seconds(g=10m/s²)

Asked by Sachinkumarrayray7755 22nd June 2018 2:58 PM

## how to do this numerical??

Asked by pukai7229 23rd June 2018 10:09 AM

## A body is thrown vertically upward with a definite velocity from different places on the earth. Prove that the time of return of the body at a place will be inversely proportional to the acceleration of gravity at that place.

Asked by bdroy_2014 27th June 2018 10:00 PM

## A car of mass 1000 kg accelerates from rest to 100 km per hour in 8 seconds what is the acceleration and the accelerating force developed by car engine

Asked by Samrat 29th June 2018 9:53 PM

## A body starts from rest and moves with constant acceleration for t seconds.It travels a distance X1 in first half of time and X2 in second half of time.Then which one is correct? 1) X2=X1 2)X2=2X1 3)X2=3X1 4)X2=4X1

Asked by tps.mjmdr 1st July 2018 11:06 PM

## A body moving with uniform acceleration travels a distance of 24m and 64m rurind the first two equal consecutive intervals of time each of duration 4 second. Determine the initial velocity and acceleration of moving body.

Asked by tps.mjmdr 6th July 2018 9:09 PM

## A stone A is dropped from the top of a tower 20 m high. simultaneously another stone B is thrown up from the bottom of this tower so that it can can reach just the top of the tower what is the distances of the stone from ground while they pass each other.

Asked by tps.mjmdr 9th July 2018 5:28 PM

## A bus starts moving with an acceleration of 2m/s^2 a cyclist 96 M behind the bus starts moving simultaneously towards the bus at 20 m/s.After what time will he be able to overtake the bus.

Asked by tps.mjmdr 9th July 2018 5:30 PM

## A body covers 12 metre in 2nd and 4th second.Find what distance the body will cover in 4 seconds after 5th second.

Asked by tps.mjmdr 9th July 2018 5:34 PM

## Two motor cars start off with a gap of 2 min with the same acceleration how long after the departute of the second car does travel a distance equal to 1/9th of the distance covered by the first car.

Asked by contactpasala 9th July 2018 8:23 PM

## A police chase a thief with a velocity uniform velocity 'v'. When the jeep was at a distance 'd' from a thief then the thief fled from the rest with an acceleration 'a'. so prove that the police caught the thief if v>=root over 2ad.

Asked by mugembosapta 12th July 2018 11:43 PM

## Car starting from rest accelerates at the rate f through a distance of s and continues at a constant speed for time t and decelerates @ f/2 to come to rest. If the total distance travelled is 5s then prove that s=0.5 ft square.

Asked by tps.mjmdr 13th July 2018 7:37 AM

## a body covers a distance of 4m in 3rd and 12m in 5th sec if the motion is uniformely accelerated how far will it travels in the next 3sec

Asked by gargpuneet989 17th July 2018 5:12 PM

## A ball is dropped from a balloon going up at a speed of 7 m/s. If the balloon was at a height 60 m at the time of dropping the ball, how long will the ball take in reaching the ground

Asked by gargpuneet989 19th July 2018 2:50 PM

## A ball is dropped from a balloon going up at a speed of 7m/s. If the balloon was at a height 60 m at the time of dropping the ball, how long will the ball take in reaching the ground ?

Asked by Yash 20th July 2018 12:46 AM

## a solid ball of density half of that of water falls freely under the action of gravity from a height of 19.6 and then water enters into tje water upto depth of？

Asked by sbtech357 22nd July 2018 9:32 AM

## when the ball is released from height 5m it rebounds to the height of 3m. with whate velocity it should be dropped so that it rebounds its height

Asked by sbtech357 23rd July 2018 10:28 AM

## A stone is dropped from a certain height which can reach the ground in 5s. It is stopped momentarily after 3s of its fall and then it is again released. The total time taken by the stone to reach the ground will be A. 6s  B.  6.5s C. 7s D. 7.5s

Asked by shyamalimaborthakur89498 4th August 2018 8:50 PM

## A ball is dropped from a height of 20m and rebounds with a velocity which is 3/4 of the velocity with which it hits the ground. What is the time interval the first and second bounces ( g = 10m/s^2)

Asked by shyamalimaborthakur89498 5th August 2018 12:34 PM

## A stone thrown vertically upwards with initial velocity u reaches a height 'h' before coming down. Show that the time taken to go up is same as the time taken to come down.

Asked by akshaywbr 17th August 2018 4:15 PM

## a particle starts from rest and travels a distance s with uniform acceleration,then it travels a distance 2s with uniform speed,finally it travels a distance 3s with uniform retardation and comes to rest.if the complete motion of the particle is a straight line then the ratio of its average velocity to maximum velocity is

Asked by 443879616104558 21st August 2018 10:25 AM

## a ball is vertically upward from the ground and a student gazing out of the window sees it moving upward past him at 10 m/s.the window is at 15 m above the ground.the velocity of the ball 3s after it was projected from the ground is

Asked by 443879616104558 22nd August 2018 10:47 AM

## a train is approaching a platform with a speed of 10 km/hr.when it is at a distance of 2 km from the platform breaks are applied so that a uniform retardation is produced. at the same time ,a bird sitting on the pole near the platfiorm flies with the speed of 50 km/hr towards the train  touches the front of the train and then returns to the pole.if the motion is repeated until the train comes to rast,the total distance travelled by the bird is?

Asked by 443879616104558 22nd August 2018 4:06 PM

## A motorcyclist moving with a uniform retardation takes 10s and 20s to travel successive quarter kilometre.How much further he will travel before coming to rest?

Asked by dineshchem108 23rd August 2018 10:28 PM

## Two ships A and B are 10 km apart on north south. If A ship is due north of B,A travels towards east with velocity 5km/hr. ShipB travels due north with speed 5km/hr. Find the shortest distance between them

Asked by valavanvino1011 26th August 2018 6:12 AM

## The 2 ends of train ,moving with a constant acceleration,pass a certain with velocity u and v .Show that velocity with which the middle point of train passes the same point is root of(usquare +v square)/2

Asked by ajaysekharjs 27th August 2018 11:54 AM

## A ball is thrown upward with an initial velocity such that it reaches the maximum height of 15m if at the same instant a stone is dropped from the height of 15m find the ratio of their distances travelled when they cross each other

Asked by 418222535371723 27th August 2018 9:50 PM

## A man can swim directly a stream of width 100m in 4 minutes, when there in no current of water and in 5minutes when there is current of water. The velocity of the current of water in that stream is

Asked by valavanvino1011 31st August 2018 7:00 AM

## Accelaration of a car in a motion is 1.5m/s2 . How much is the increase in a velocity in 4s

Asked by sreekumar1974 3rd September 2018 7:44 PM

## A body is dropped from a building of height 1500 m. After two seconds another body is dropped from the same point. How long after the first body falls will the two bodies be 120 m apart

Asked by abhijithroshan24 8th September 2018 9:24 PM

## give me the expression for ut=1/2at square in physics

Asked by thejuraj2002 18th September 2018 10:37 PM

## The engineer of a train moving at a speed v1 sights a good train at a distance d ahead of him on the same track moving in the same direction with speed v2. He puts the brakes and gives his train a constant retardation a. There will be no collision if:- a) d ≥ [(v1 - v2)^2]÷2a b) d ≤ [(v1- v2)^2]÷2a c) d = [(v1 - v2)^2]÷2a d) d > [(v1 - v2)^2] ÷2a

Asked by acv27joy 22nd September 2018 2:13 PM

## A body of mass 2kg is projected upward from the surface of the ground at t=0 with a velocity of 20m/s .One second later a body B ,also of mass 2kg  is dropped from a height of 20m .If they collide elastically then velocities just after collision are

Asked by m.nilu 22nd September 2018 2:29 PM

## A Particle moving with initial velocity of 15 m/s is subjected to a uniform acceleration of -5m/s2. Find the displacement in the next 3 secs.

Asked by bcnandi 23rd September 2018 12:29 PM

## A Car travelling at 22.4m/s skids to stop in 2.55 sec.Determine the skidding distance of the car.(Assume uniform acceleration).

Asked by bcnandi 23rd September 2018 1:19 PM

## Question 2, 3, 4

Asked by Sritam.sen.09 27th September 2018 10:42 PM

## solve the following numericals 1. A person is listening to a tone of 5 kilohertz at a distance of 450 m from the source of sound find the time interval between successive compressions from the source of sound. 2. A ball is thrown up vertically and IT returns to the thrower after 12 seconds calculate the velocity with which it is thrown up. g is equal to 9.8 metre per second square 3. A ball is thrown upward with a velocity of 49 M per second calculate the total time it needs to return

Asked by bsap6777 29th September 2018 11:46 AM

## A car travels with speed 30km /h for 30mins .and then with speed 40km/h for one hour find the total distance traveled by the car

Asked by qudsia988020 3rd October 2018 9:00 PM

## ques no-8

Asked by baajirao106 4th October 2018 6:41 PM

## A lift coming down with a downward acceleration of 2m/s^2 . A boy standing in the lift throws a stone vertically upwards with speed of 5m/s with respect to himself. The time after which he will catch the stone is?

Asked by arunavamitra50 12th October 2018 12:57 PM

## Initially car x is 4 m ahead of car y. Both start moving at t 0 in same direction along straight line. The velocity-time graph of two cars is shown in figure. The time when car y will catch the car x will be

Asked by rupambhowmikk 3rd November 2018 12:04 AM

## A cricket ball is dropped from a height of 20 m. Calculate : (I) speed of ball when it hits the ground (2)time it takes to fall through this height (g=10m/s2)

Asked by nisha_vini29 3rd November 2018 1:04 PM

## A stone dropped from roof of the building takes 4s to reach the ground.Calculate the height of the building?

Asked by nisha_vini29 3rd November 2018 1:13 PM

## A ball is thrown with a speed of 0.5m/s.(I) how high will it go before it begins to fall? (2)how long will it take to reach that height ?

Asked by Vikas 3rd November 2018 1:26 PM

## A ball of mass 50gm is thrown upwards. It rise to a height of 100m. At what height kinetic energy is reduced to 70percent?

Asked by ravinecw 21st November 2018 10:32 AM

## A particle is projected vertically upwards with a velocity u, from a point O. When it returns to the point of projection, which of the following is incorrect ? AIts average velocity is zero BIts displacement is zero CIts average speed is u DIts average speed is u/2

Asked by jyothi.nookarapu 18th December 2018 9:40 PM

## Sir pls solve the following.

Asked by rsudipto 22nd December 2018 8:09 PM

## the water drop falls at regular intervals from a tap 9m above the ground. the fourth drop is leaving the tap at the instant the first drop touches the ground. how high is that third drop at that instant?

Asked by aryang9020 17th January 2019 5:41 PM

## A bus starts to move with acceleration 1m/square. A man who is 48m behind the bus runs to catch it with constant velocity 10m/s.In how much time he will catch the bus.

Asked by arunkumarsingh3055 30th January 2019 10:43 PM

## A motor board in loktak lake starting from rest,accelerates along a straight path at a uniform rate of2.0ms(power -2) For 10.0s.How far does the boat travel during this time?

Asked by hegowkipgen77 14th February 2019 12:21 AM

## equations of motion

Asked by manashbst6543 28th February 2019 4:44 PM

## How to solve this problem?

Asked by dineshchem108 1st March 2019 10:36 PM

## a car travels witha uniform velocity of 25 ms-1 for 5s. the brakes are then applied and the car is  uniformly retarded nd comes to rest in further 10s. find (1) retadation (2) distance before applying brakes (3) distance after applying brakes

Asked by rashmibhattacharjee52 6th April 2019 3:33 PM

## While solving problems, when do we take positive g? During body's upward and downward motion, what terms shoud we take as positive and negative?

Asked by 22bakugoku 18th April 2019 5:48 PM

## A cricketer can throw a ball to a maximum horizontal distance of 100m. How much high above the ground can the cricketer throw the same ball?

Asked by patilgiridhar333 25th April 2019 8:13 PM

## The displacement x of a particle varies with time t as x=4t²-15t+25. Find the position, velocity and acceleration of a particle become zero? Can we call the motion of the particle as one with uniform acceleration?

Asked by mr.perfect420 19th May 2019 8:53 AM

## Motion

Asked by Ochaudhary079 26th May 2019 2:50 PM

## What is motion?

Asked by JITESHRAJ11 27th May 2019 9:40 AM

## what is  motion?

Asked by ak1429307 30th May 2019 7:19 PM

## Points a and b are separated by 1 km a started moving towards b with a constant acceleration of5 m/s^2 while b starts moving away from a. With a constant speed of 1 m/s find -1. At what point will they meet  2. After what time will they meet  3. What is the velocity of AandB when they meet

Asked by aarushsingh3117 5th June 2019 8:41 AM

## what is the graph of the equation s=ut+1/2at^2

Asked by anjalisharmagdps 5th June 2019 9:33 PM

## A ball is dropped from a building 100m high at the same instance a ball is thrown vertically upwards from the base of the building with what velocity should this ball be thrown so that the two balls collide at a height of. 50 m

Asked by aarushsingh3117 6th June 2019 8:31 AM

## Pls solve it.

Asked by pb_ckt 7th June 2019 1:43 PM

## Pls solve it.

Asked by pb_ckt 7th June 2019 1:46 PM

## A driver of a car travelling at 52km/h applies the brakes and accelerates uniformly in the opposite direction. The car stops in 5s. Another driver going at 3km/h in another car applies his brakes slowly and stops in 10s. On the same graph paper , plot the speed versus time graphs for the two cars. Which of the two cars travelled farther after the brakes were applied?

Asked by Santosh.kumar0317 11th June 2019 1:05 PM

## A body is dropped from a height of 49m. Find the time taken by to reach the ground?

Asked by Sameergandass2407 12th June 2019 10:27 AM

## Pls solve

Asked by pb_ckt 16th June 2019 9:36 PM

## A body is thrown vertically upwards from ground with a velocity u. It passes a point at a height h above the ground at time t1 while going up and at a time t2 while falling down. (t1 and t2 are measured from the instant of projecting body upwards). Then the relation between u, t1 and t2 and is:- (A) t1 + t2 = 2u/g (B) t2 - t1 = 2u/g (C) t1 + t2 = u/g (D) t2 - t1 = u/g

Asked by Kkrishna 18th June 2019 1:47 PM

## A particle is starting from rest and moving with constant acceleration find the ratio of distance covered in the 1st 2nd and 3rd second

Asked by Rohitparmar2332 25th June 2019 8:46 AM

## Derive an expression for displacement in the last or nth second

Asked by Paitboy23 26th June 2019 5:44 AM

## A stone is thrown vertically upward with a speed of 10 m/s. How high dose the stone rise before returning back to the Earth? Given acceleration due to Earth's attraction, g=9.8m/s2

Asked by prakash.sanyasi 4th July 2019 2:50 PM

## a body is dropped from a certain height such that the distance travelled in last second is equal to the distancetravelled in first three second.find its height

Asked by ritukkr4444 4th July 2019 7:06 PM

## A body starts to move from its state of rest  under uniform acceleration and moves for 10  second with average velocity of 30 metre per second. Find the final velocity at the end of 10 seconds and also find the total distance travelled in 10  seconds

Asked by naqvireshma21 6th July 2019 7:46 PM

## A body is projected vertically up at t=0 with a velocity of 98m/sec. Another body is projected from the same point with the same velocity after time 4 sec. Both bodies will meet after :

Asked by Prashant DIGHE 13th July 2019 10:14 AM

## A particle accelerates from rest at a constant rate for some time and attains a velocity of 8m/s.afterwards it decelrates with the constant rate and comes to rest .If the total time taken is 4 S, the distance travlled is

Asked by simashreegogoi014 25th July 2019 5:10 PM

## A car accelerates uniformly on a straight road from rest to speed of 180km h-1 in 25 s.  Find the distance covered by the car in this time-interval.

Asked by Sunitav2019 25th July 2019 8:08 PM

## A particle moves the distance of 20 m in 5th second and distance of 8 m in 7th second of its motion .What is total distance moved by the particle ? Its answer is 188 m please tell me how?

Asked by ayushmani1871 26th July 2019 11:05 PM

## A bullet fired with speed 100 ms-1 travels 500 m in air.Assuming the air fmingmriction to be constant,calculate the retardation prodced by the air.and how much velocity of bullet after 1.2 s of motion? Its velocity is coming 488  Please tell me how it come

Asked by ayushmani1871 27th July 2019 12:17 PM

## A ball is dropped from certain height such that distance traveled in last second = distance travelled in first 3 second find its height

Asked by Navjot0315 28th July 2019 12:42 PM

## A ball is thrown vertically upwards with the speed of 9.6m/s from the top of a tower returns to the earth in 6 secs. Find height of the tower.

Asked by Rajesjkumar16025 2nd August 2019 8:18 AM

## A body with uniform acceleration covers 76 m in 5th second and 116 m in 10th second. (a)Find the distance traveled in 15th second.  (b) What is the distance traveled in next 5 seconds?

Asked by Mãnï kåûr 2nd August 2019 5:09 PM

## A police man is moving with constant speed on a straight road.  When he is at a distance 250m behind a car, the car starts accelerating from rest and move with a constant acceleration 2m/s2.  The minimum speed of the police man such that he can catch the car is

Asked by ragunive 9th August 2019 8:37 AM

## A stone is thrown vertically upwards with a velocity of 4.9 m/s. Calculate a) the maximum height reached. b) the time taken to reach the maximum height. c) the velocity with which it returns to the ground and d) the time taken to reach the ground. Solutions: a) 1.225m b)0.5s c)4.9 m/s d)1s

Asked by kkdmmdsd 12th August 2019 7:51 AM

## Height of the tower?

Asked by samratpaudel5 13th August 2019 7:29 PM

## A particle a is projected up from ground with velocity u, after t second, particle b is projected vertically upwards from ground with the same velocity u, find in which time they will meet each other?

Asked by malaysaha.80 31st August 2019 7:38 PM

## A particle is projected vertically upwards from the ground with velocity U it reaches at maximum height in time T1 after that it returns back to the ground with velocity v in time T2 if a resistance is considered then find the correct relation between T1 and t2 and correct relation between U and v?

Asked by malaysaha.80 1st September 2019 10:23 AM

## if a stone is dropped from the top of a tower 200 metre height and at the same time another stone thrown upwards with a velocity of 40 m per second when and where the two stone will meet?

Asked by p.spunia79 15th September 2019 12:47 PM

## explain all the derivations of chapter-motion in a straight line

Asked by ABHILASHA 16th September 2019 6:57 PM

## Which of the following shows no change in direction of the moving body? a) Curvillinear motion b)Oscillatory motion c) Rectillinear motion d) Revolution

Asked by c_aneal 22nd September 2019 10:25 PM

## A particle is projected vertically upward with velocity 20m/s at the same instant another particle B is dropped from a tower of height 100m time at which B meet with A. ans is not 5sec

Asked by ashutosharnold1998 17th October 2019 1:19 PM

## a car moving at certain speed stops on applying brakes with in 16 m.if the speed of the car is doubled,maintaining the same retardation.then at what distance does it stop?Also calculate the percentage change in this distance.

Asked by bairava6324 19th December 2019 5:52 PM

## Find height of jet of water?

Asked by ashutosharnold1998 22nd December 2019 5:53 PM

### NEET NEET Physics

Asked by Prashant DIGHE 29th January 2020 10:20 PM

## prove that in an elastic one dimensional collision between two bodies, the relative velocity of approach before collision is equal to the relative velocity of seperation after the collision. Hence derive expressions for the velocities of two bodies in terms of their initial velocities before collision.

Asked by shafiaagha999 27th February 2020 11:40 PM

## What is motion

Asked by udaydhende7 16th May 2020 10:13 PM

## what is motion

Asked by subodutta50 21st May 2020 7:19 PM

## Can you suggest the real life examples about the motion of a body from the velocity- time graphs?

Asked by shashikantbbatra 29th June 2020 9:40 AM

## A stone is thrown upwards with a speed 'u' from the top of the tower reaches the ground with a velocity '3u'.The height of the tower is?

Asked by twishaobroy 8th August 2020 3:50 PM

## What is motion

Asked by rachnasrgpt 2nd September 2020 7:14 AM

## a rock is thrown straight up with twice the initial the velocity of another. how much higher will the first  rock be at its apex?

Asked by meghanaprabhu1612 22nd October 2020 7:56 PM