Time

CBSE XI Science Physics Motion in a Straight Line

FIND THE AVERAGE SPEED OF AN OBJECT WHOSE SPEED-TIME GRAPH IS GIVEN BELOW.

CBSE IX Physics Force and Laws of Motion

A train leaves New delhi railway station at 9am and reaches jaipur , which is at a distance of 260km at 12:45 pm the train reaches alwar at a distance 150km from delhi at 11:30 am and stop there for 15 minutes .

what is the average speed fo the train between alwar and jaipur?

CBSE VIII Maths Comparing Quantities

a computer typist types a page with 20 lines in 10 minutes but he leaves 8% margin on the left side of the page. now he has to type 23 pages with 49 lines on each page which he leaves 25% more margin than before. how much time is now required to type these 23 pages

CBSE X Maths Quadratic Equations

At t mins past 2 pm  the time needed by the minutes hand and a clock to show 3 pm was found to be 3 mins less than t^2/4 mins . Find t. 

 

Answer is given in solution but i m not able to understand . Explain me with suitable statement .

ICSE X Maths Ratio and Proportion

3 men and  5 boys can do 19/20 th part of a work in 3 days. 4 men and 18 boys can do 14/15 th part of the work in two days. How many days does a boy to finish the whole work ?

Gujarat - Gujarati Medium IX ગણિત ગણક્રિયાઓ

4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after

passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

Gujarat - Gujarati Medium IX ગણિત ચતુષ્કોણ

QID : 63 - Meghnad can do a piece of work in 45 hours. If he is joined by Jayshri, who is 50% more efficient, in what time will they together finish the work? 

CBSE X Maths Arithmetic Progression

If 24 clerks can clear 180 files in 15 days , then the number of clerks required to clear 240 filesin 12 days, is 

1. 38
2. 40
3. 42
4. 44

ICSE VIII Maths Direct and Inverse Variations

A train crosses two persons who are cycling in the same direction as the train, in 12 seconds and 18 seconds respectively. If the speeds of the two cyclists are 9km/h and 18km/h respectively.Find the length and speed of the train?

ICSE VIII Maths Direct and Inverse Variations

Two trains are running at 45km/h and 54km/h cross each other in 12 seconds when they run in opposite direction. When they run in the same direction,the person in the faster train observes that he crosses the other train in 32 seconds. Find the length of the two trains?

ICSE IX Physics Measurement of Length, Volume, Time and Mass

►     how to calculate 3•10to the power8= 2•45•1000/time. please show the calculation ina detailed way.And the dot which i have given after 3 is multiplication dot                                                                                     

CBSE IX Physics

A frictionless wagon is pushed, from rest, with a force of 60N for 14 seconds. If it then strikes a wall and comes to rest in 0.15 seconds, how much average force does the wall exert on the wall.   GIVE WITH PROPER STEPS.  

ICSE VIII Maths

Ten pipes of the same type are required to fill a tank in 24 min.If two pipes go out of order ,how long will the remaining pipes take to fill the tank?  

ICSE VIII Maths

18 men can reap a field in 10 days .After they have wprked for 4 days,how many more men should be employed to complete the work in 4 days after then?  

CBSE XII Commerce Maths

what should be the 15minute and 30 second in degrees?

CBSE X Maths

A boat covers 32 km upstream and 36 km downstream in 7 hrs. Also, it covers 40 km upstream and 48 km downstream in 9 hrs. Finf the spead of the boat in still water and that of the stream.

ICSE IX Physics Measurement of Length, Volume, Time and Mass

The time periods of two pendulums are 1.44s and 0.36s.Calculate the ratio of their lengths ?

JEE Plances JEE (Main) Physics

if velocit is given by following function v=xsquare then find out relation between x & t (assume x=1m at t=0)

CBSE XI Science Physics

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.

ICSE X Physics

A cricket ball of mass 100 g moving with a velocity of 90 km per hour is brought to rest by a player by moving his hands back by 40 cm find impulse and time in which ball come to rest and force exerted by player  

ICSE X Physics

For how long an motor of 2hp must operate so as to pump 5 metre cube of water from a depth of 15 m

JEE Plances JEE (Main) Physics

a motar car starts from rest and accelerate uniformly for 10s to a velocity of 30m/s it then runs at a constant speed and it is finally brought to rest in 80m in constant retardation total distane covered is 830m find the value of acceleration ,retardation,total time taken

CBSE XI Science Physics

A man can swim in still water at a speed of 3kmph . He wants to cross a river the point directly opposite to his starting point . The time taken by him to cross the river if the river is 500m wide .

JEE Plances JEE (Main) Maths

Ques 38

CBSE XI Science Physics

If a police car running after a thief's car with the speed 126 km/hr if a bullet is fired from the police car with the speed of 200m/s .If the speed of police car is 36 km/hr.if the initial distance between police car and thieves car is 200 m .Find out whether bullet will hit the thief car  

JEE Plances JEE (Main) Physics

Solve it

ICSE VII Physics Motion

Why an athlete land on sand after taking a long jump? 

ICSE VII Maths

A TRAIN 140 M LONG IS RUNNING AT 60 KM PER HOUR. IN HOW MUCH TIME  WILL IT PASS A TUNNEL 260 M LONG ?

ICSE VI Physics Measurement

differentiate between stop watch and wrist watch

NEET1 NEET1 Physics

A bomb is dropped from an aeroplane flying horizontally with a velocity of 720 KMPH at altitude of 980 m.Time taken by the bomb to hit the ground  

ICSE VIII Maths

A is 3 times faster than B and takes10 days less than bto do a work. Find howmany days are required by each to complete the work separately.

ICSE VIII Maths

A & B  can complete a work in25 days and 20 days respectively . after working together for some days. A leaves and B finishes the remaining work in11 days. Find after how many days A left the work?

ICSE VIII Maths

Suppose there are three people working on a project. A and B can complete it in 12 days, B & C in 15 days and C & A in 20 days . How long will it take to complete the project it a all three work together  and b) each of them work weparately?

ICSE VIII Maths

Diwakar can do a work in 8 1/2  days. After Diwakar worked for 2 days, Bhaskar joined. They worked for one day. The capacity of Bhaskar is double the capacity of Diwakar.On the 4th day, the work is completed by both with the help of Harsha. In howmany dayscould Harsha alone do the work?

NEET1 NEET1 Physics

A  hiker stands  on the edge of the cliff 490m above the ground and throws a stone horizontally  with an initial speed of 15ms-1 neglecting air resistance. The time taken by the stone to reach the ground in s is (take g=9.8ms-2)   

ICSE VIII Maths

A and B can weave a certain number of baskets in 12 days and 15 days respectively.They work together for  5 days and B leaves A n how many days will A finish the rest of the work

NEET1 NEET1 Physics

A  boat takes 2hours to travel 8km and  back in still water lake. With  water velocity  of 4kmph, the time taken for going upstream of 8km and coming back is 

NEET1 NEET1 Physics

If the unit of length is doubled and that of mass and time is halved , the unit of energy will be

ICSE VII Maths Speed, Distance and Time

Find speed distance 6km and time 2hours  

ICSE VII Maths

A policeman follows a thief is 800 metre ahead of him. If they run at the speed of 8 km per hour and 7 km per hour respectively, How long the policeman take to catch up with the thief?

ICSE VI Maths

A cyclist completes 15 laps around an oval racing track 400m long in 8 minutes. Find the speed of the cyclist in km/h.

NEET1 NEET1 Physics

the angular velocity of the seconds hand in a watch is

CBSE VIII Maths

a train travels 360 km at a uniform speed. if the speed had been 5 km/hr more, it would have taken 1 hour less for the same journey. find the speed of the ratio ?

CBSE VIII Maths

the speed of a boat in still water is 8 km/hr . it can go 15 km upstream and 22 km downstream in 5 hours. find the speed of the stream

CBSE VII Maths

An elevator descends into a mine shaft at the rate of 9 m per minute. If the descent starts from 20 m above the ground level how long will it take to reach -250 m?

ICSE VII Maths

Two trains 320m and 430m are moving in the opposite directions at a speed of 50km/hr  and 40km/hr how long will it take the trains to pass each other

ICSE VII Maths Speed, Distance and Time

Tina took 7/3 hours to travel 4/9 of the distance between town A and town B at an average speed of 72km/hour. what was Tina's average speed if she took 4 hours 12 minutes to travel from town A to town B. 

ICSE VII Maths

A car started from town P and travelled towards town Q at 70km/h . At the same time a van started from town Q and travelled to town P at 60km/h . After 11\4 hours they were 65km apart still traveling toward each other . 1 what is the distance b/w the two  town . 2 After how many hours of travel would they cross each other .

CBSE VIII

A car with speed 60 km/he takes 8 hrs to travel some distance. Why should be the increase in the speed of the same distance is to be covered in 7 1/2 hours?

ICSE VI Maths

If 8 people take 1 hour to load 5760 bricks on a truck, how long would it take 6 people to load 5760 bricks on the truck 

CBSE IX Maths

After covering a distance of 30km. With a uniform speed there is some defect in a train enzine and therefore its speed is reduced to 4/5 of its original speed consiquetely the train reaches its destination late by 45 minutes had it happened after covering 18 km. More the train would have reached 9 minutes earlier find the speed of train and distance of journey

ICSE VIII Maths Ratio and Proportion

Rajan do ajob in 60 days how much of the job will he able to finish in a day

ICSE VII Maths

A boy covers a distance of 4.32 km in 4 min 48 s. find the speed of the boy.

ICSE VIII Physics Current Electricity

If an appliance of power P watt be s used for time t hour ,how much electrical energy is consumed in kwh

CBSE VIII Maths Comparing Quantities

175 man can a canal 3150m long in 36 days how many men are required to dig a Canonl 3900 m long in 24 days|

ICSE VIII Maths

A bus leaves a bus station at 9a.m.and it travels at an average speed of 60km per hour . Another high speed bus leaves the same bus station an hour later and it travels at an average speed of 90 km per hour. If both the buses travel in the same route,at what time will they meet? 

CBSE IX Maths

Water is running through a six centemeter outlet with speed six kilometers per hour.how much time it will take to fill a cuboidal tank of dimensions 60×40×10 metre cube?

Maharashtra VII Maths

Mary cycles at 6km per hours . How long will she take to reach her aunt's house which is 12 km away? If cycles at a speed of 4 km/ hr, how long would she take?  

CBSE VIII Maths

Karan can walk a distance of 210m in 90min. Find the time taken by him to cover a distance of 560m    

ICSE X Physics

Radar sends a signal to an aeroplane at a distance 45km away with a speed of 3*10 to the Power of 8 m/s.after how long is the signal received back from the aeroplane

CBSE IX Maths

P is four times as fast as Q and Q is six times as fast as R .If a certain distance is covered by Q  in 28 minutes, then the time taken by C to cover the same distance is_____ A) 2:48 hrs B)2:28 hrs C) 2:50 hrs D) 2:55 hrs

ICSE VII Maths

A car X starts at 5 p.m. at a speed of 60 km/h. Another car You starts from the same point at 6:20 p.m. at a speed of 80 km/h. At what time will X and Y meet each other?

CBSE VII Science Motion and Time

How are distance, time and speed related to each other 

ICSE VII Maths Speed, Distance and Time

A girl walks 12 km at the speed of 3 km/h.what change should she make in her speed to take (i)an hour less (ii) an hour more to cover distance.

ICSE VII Maths Speed, Distance and Time

A man walks at the speed of 4km/h. A train coming from behind him at the speed of 22km/h passes him in 30s. Find the length of the train

ICSE VII Maths Speed, Distance and Time

If u can cycle at an average speed of 12 km per hour,how manykm can you cycle in 2 hours 45 min

Junior V Maths

3 days 13 hours

JEE Main Maths

30 men complete work in 16 days how many men can complete work in 20 days? 

ICSE VII Maths Speed, Distance and Time

A motorist travelled 1/2 of his journey at 60km/h and completed the remaining 90km in 3/2 hours. What was his average speed for the whole journey?

ICSE VII Maths

A motorcycle travels at 30km/h and stops for half an hour at the end of every 75 km. How long will it take him to cover 375 km?

ICSE VII Maths Speed, Distance and Time

The area of a rectangular field is 3584 m² and its length is 64 m. A boy runs around the field at the rate of 6km/h. How long will he take to go 5 times around it? 

CBSE XI Science Physics

A wave pulse is travelling on a string of linear density 1cm^-1 under a tension of 1kgwt.Calculate the time taken by the pulse to travel a distance of 50cm on the string.Given g=10ms^-2

CBSE VII Science Motion and Time

Why do we need to measure time? Explain with examples

ICSE VII Maths Speed, Distance and Time

Ravi walks at a uniform speed of 12km per hour how much time he takes to cover 6000m

ICSE VII Maths Speed, Distance and Time

Ravi walks at a uniform speed of 12km per hour how much time he takes to cover in 600m 

ICSE VII Maths Speed, Distance and Time

a train covers the first 160 km of ajourney at 40 km/h,the next 180 km at 45km/h , and the last 200 km at 50km/h .  1..the total time it takes to complete the jourmey? 2..the average speed of the train during the whole journey?

CBSE X Maths

 A can complete a piece of work in 4 days. B takes double the time taken by A, C takes double that of B, and D takes double that of C to complete the same task. They are paired in groups of two each. One pair takes two-thirds the time needed by the second pair to complete the work. Which is the first pair?

ICSE VII Maths

11.    A bus travelling at 42 km/h covers a distance in 5 h. How much time would it save if it increased its speed by 8 km/h? 

ICSE VII Maths

Q. A man runs round a circular field or radius 50m at a speed of 12 km/h. What time is taken by the man to make twenty rounds of the field

ICSE VI Physics Physical Quantities and Measurements

Time and Temperature 

ICSE VII Maths Speed, Distance and Time

Two race cars travel in a ways at 90kmph and 120kmph respectively. if d secound cars take 30min less than the first car ,find the distance covered to complete the race .

Junior V Maths

Ashish speed of running is 9 m/sec. How much distance will he run in 2minutes 30 seconds?

CBSE X Maths

CBSE X Maths

Please

ICSE VIII Maths

nitin walks at 3/4 of his usual speed and reaches his home 10 minutes late find the usual time taken by him to reach his home

Maharashtra X Physics

A stone thrown vertically upward with initial velocity u reach a hight h before coming down.show that the time taken to go up is same as time taken to go down

CBSE VII Maths Algebraic Expressions

If A covers 5 km in 20 min then how much it will cover in 50 min.

ICSE VII Maths Linear Equations in One Variable

Hi  Please send the solution

JEE Main Physics

The time taken by an electron placed in an electric field 1.2x10^-5 V/m to travel 20mm from rest is?

JEE Main Physics

solve

ICSE VII Physics Physical Quantities and Measurement

A girl walks a distance of 2 km in 40 minute. Find her speed 

CBSE XI Science Physics

Please answer this question.

ICSE VII Maths Speed, Distance and Time

Gurpreet jogs a distance of 12 km in 40 minute. Find his speed in km/h and m/s.

CBSE X Maths Pair of Linear Equations in 2 Variables

A boat covers 14 kms in upstream and 20 kms downstream in 7 hours. Also it covers 22 kms upstream and 34 kms downstream in 10 hours. Find the speed of the boat in still water and of that the stream.

ICSE VII Maths Speed, Distance and Time

Sharon can walk 8 1/3 km in one hour. How much distance will she cover in 2 2/5 hours?   

CBSE X Physics

test Question please do not answer

CBSE XI Science Physics

A object moving with speed of 6.25 m/s, is decelerated  at a rate given by a=-2.5√v, where v is the instantaneous speed. The time taken by the object to come to rest would be

ICSE VIII Physics

An object covers a distance of 1 meter during the first 30 seconds. After 30seconds it covers a further distance of 4 meter in 15 seconds calculate the total distance travel and total time taken calculate the average speed of the average 

CBSE XI Science Physics

A ship of total mass m is anchored in the middle of a river and water is flowing with a constant velocity v. the horizontal component of the force exerted on the ship by the anchor chain is T. If the anchor chain suddenly breaks, determine the time required for the ship to attain a velocity equal to 0.5v ; assuming that the frictional resistance of the water is proportional to the velocity of the ship relative to water.

JEE Main Physics

A ship of total mass m is anchored in the middle of a river and water is flowing with a constant velocity v. the horizontal component of the force exerted on the ship by the anchor chain is T. If the anchor chain suddenly breaks, determine the time required for the ship to attain a velocity equal to 0.5v ; assuming that the frictional resistance of the water is proportional to the velocity of the ship relative to water. please explain the entire procedure.

CBSE IX Physics

Calculate the time taken by a car to increase its speed from 36 Km/h to 54 Km/h  if its uniform acceleration is 1.24 metre per second square. Also find the distance travelled by the car during a period

ICSE VI Maths Perimeter and Area of Plane Figures

A train is running at a speed of 90km/hr.if it crosses a signal in 10 se. Find the length of the train in meters, 

CBSE VIII Maths Comparing Quantities

Nitin walks at 3/4 of his usual speed and reaches home 10 minutes late find the usual time taken by him to reach home?  

ICSE VIII Maths Time and Distance

The engine driver of a 130m long Rajdhani Express, traveling at 150km/h, sees the rear of a 220 m long goods train, traveling at 80 km/h ahead of him on another track at 8:05:00 a. m. If the Rajdhani Express overtakes the goods train at 8:06:30 a.m., how far was the goods train when the driver saw its rear at 8:05 a.m.?

ICSE VII Maths Speed, Distance and Time

A bus travelling at 42 km/h covers a distance in 5 h. How much time would it save if it increased its speed by 8 km/h?

ICSE VII Maths Unitary Method

(Q.1)  A woman walks a certain distance in 84 min. she covers two third of it at 4 km/h and the rest at 5 km/h.           find the total distance she covered. (Q.2)  A man walks at 6 km/h and runs at 8 km/h. He covers 6km in 50 min partly by running and partly by                 walking. (i) for how long did he walk?  (ii) What distance did he cover walking? (Q,3) the speed of the train is 30 km/h. how long will it  take to cross a signal if its length is 25 m? (Q.4) How long will a 50m- long train travelling at 72 km/h take to cross a pole?

ICSE XI Science Physics

Please solve as fast as u can

NEET NEET Physics

A particle exciting  SHM an amplitude of 20 cm & t.p of 12 sec.

CBSE X Maths

The distance between two places is 425km.If a car drives at a speed of 50km/hr and starts the journey at 10:30 am,when does it reach the place?

ICSE VII Maths Speed, Distance and Time

A man walks at 6km/h and runs at 8km/h. he covers 6km in 50 min partly by running and partly by walking. (i) for how long did he walk? (ii) What distance did he covers walking?

ICSE VII Maths Speed, Distance and Time

Q.1(i)  the speed of a train is 30 km in how long will it take to cross a signal. if its length is 25 m? (ii) how long will a 50 m long train traveling at 72km/h take to cross a pole?

ICSE VII Maths Speed, Distance and Time

A train travelling at a uniform speed passes by a platform 220 m long in 30 s and another platform 325 m long in 39 s. find  (i)  the length of the train and (ii) the speed of the train .

ICSE XI Science Physics

Body slides down from rest from the top of a 6.4 m long rough inclined plane at 30° with horizontal find the time taken by the block in reaching the bottom given coefficient of kind attic fiction ass .2 and acceleration due to gravity is 9.8

ICSE VII Maths Speed, Distance and Time

Q.1 Ravi and john are standing 300 m apart. if they run towards each other with the speed of 2 m/s  and 1 m/s respectvely.how much time will they take to cross each other.?

ICSE VII Maths Speed, Distance and Time

Q. A man walk at the speed of 4 km/h. A train coming from behind him at 22 km/h passes by him in 30 s. find the lenght of the train.

NEET NEET Physics

Solution 

ICSE VI Physics Measurement

24 hour clock is used in the airline ticketing

CBSE VIII Maths Linear Equations in One Variable

a man drives at the 35 kilometre per hour he reaches his house 4 minutes late. if he drives at the 45 kilometre per hour he reaches his office 3 minutes early how far is his house.  

Maharashtra IX Physics

If a charge of420 c flows through a conducting wire in five minutes what will be it's value  

ICSE VII Maths Speed, Distance and Time

A truck and a bus started off at 10: 30 am from opposite end of highway the truck traveled at a speed of 40 km/h and a bus travel at a speed of 54 km/h. If they pass each other at 1: 00 PM. What was the length of highway? 

NEET NEET Physics

Please answer this

ICSE VII Maths Speed, Distance and Time

A man travels a distance of 120km in 4hours and 30 minutes.Partly by a Bus at a speed of 35km/hr and partly by bike at a speed of 20km/hr. Find the distance covered by him by bike.

CBSE VII Science Motion and Time

How to find the time when the speed is given  

ICSE VII Maths Speed, Distance and Time

A train covers the first 60km of its journey at a speed of 80km/h the next 90 km at a speed of 100km/h and the rest of its 330-km journey at a speed of 120km/h. find the total time taken to complete it's journey. also find its average speed

ICSE X Maths

If the speed of the car is increased by 10km per hr,it takes 18 minutes less to cover a distance of 36 km.Find the speed of car

NEET NEET Physics

Please answer this question

ICSE VIII Maths

Nitin walks 3/4th of his usual speed and reaches his home 10 minutes late, find the usual time taken by him to reach his home.

Junior III Maths

5 weavers can weave 5 carpets in 5 hours .find the number of carpets 10 weavers can weave in 10 hours ?

ICSE VII Maths Speed, Distance and Time

A car running at 45km/hr takes 6 hours to journey what speed must it travels journey to complete in 5 hours

CBSE VII Science Motion and Time

If A has diameter of 6cm ams B has diameter of 12cm what ia the no of ratation A makes by the time B complete one rotation?

ICSE IX Science

When starter motor of a car is switched on for 0.8 s,a charge 24C passes through the coil of the motor. motor . motor.Calculate

CBSE XII Science Chemistry Chemical Kinetics

4.37 numerical plz

NEET NEET Physics

please answer this

CBSE VIII Maths Comparing Quantities

If 15 worker work 8-hour daily to make 100 cupboards in 12 days, so how many workers will take to make 150 cupboards in 18 days if they work 10 hours daily?

ICSE VII Maths Speed, Distance and Time

A car X starts at 5p.m. at a speed of 60 km/h. Another car Y starts from the same point at 6:20 p.m. at a speed of 80km/h . At what time will X and Y meet each other?   

CBSE XI Science Physics

Questions 21

CBSE X Physics

Light is faster than sound, but when we switch on the TV, we first hear the sound before the image comes up. Why is that?

NEET NEET Physics

please answer this

NEET NEET Physics

please answer this

CBSE XI Science Physics

if the kinetic energy and potential energy becomes equal for a particle executing SHM, given by y=10sin5πt, then at that instance the displacement of the particle from the mean position is

ICSE IX Physics Measurements and Experimentation

It takes 8 minutes fro light to reach from the sun to the earth surface .if a speed of light is taken to be 3×100000000 m /s find the distance from the sun to the earth in km.

ICSE VII Physics Physical Quantities and Measurement

convert one an half hour in mins and sec

CBSE X Physics Electricity

A charge of 5000 columbs flows through the electric circuit in 2.5 hrs calculate magnitude of current in ampere and milliampere

JEE Main Physics

rajdani express moves at the speed of 120 km/h . how long will it take to cover a distance of 15 km  

ICSE VII Physics Physical Quantities and Measurement

How to find  the time  

CBSE XI Science Physics Motion in a Straight Line

please answer 7,8,9 and 10.

ICSE X Physics Work, Energy and Power

ch. work

ICSE X Physics Work, Energy and Power

ch. work power energy

ICSE X Physics Work, Energy and Power

conpare the worl done

ICSE X Physics Work, Energy and Power

how to find the displacement

CBSE XI Science Physics Gravitation

please solve it sir  

CBSE IX Physics Motion

A car is coasting backwards down a hill at -3.0 m/s when the driver gets the engine started. After 2.5s, the car is moving uphill at a velocity of +4.5 m/s. What is the car's acceleration?  

JEE Main Physics Kinematics

Pls answer this??

CBSE XI Science Physics Motion in a Straight Line

Pls answer this!!

ICSE IX Physics Motion in One Dimension

A car slows down from 108 km/hr to 18 km/hr over a distance of 40 meter. If the brakes are applied with the same force . Calculate  1) total time in which car comes to rest . 2) total distance travelled by it.

ICSE VII Physics Motion

The two persons going in same speed then what say

ICSE VII Maths Speed, Distance and Time

How to find speed when time and distance is given  Distance=34km/hr , Time=54hr

CBSE XI Science Physics Motion in a Straight Line

The distance x covered by a body moving in a straight line in time t is given by the relation- 2x²+3x=t If v is the velocity of body at a certain instance of time, find it's acceleration.

CBSE IX Physics Motion

Rama takes a round of a circular Park whose diameter is 280 metre in 4 minutes what is the distance covered by Rama what is the speed of Rama

ICSE VI Maths

A boy swims 200 m in still water and then returns back to the staring point in 10 mintues . Find the speed of the boy .

ICSE VII Maths Speed, Distance and Time

1. A train travels between two stations X and Y , a distance of 120 km and 80 minutes. It passes to a station Z , 1 hour after leaving X , what is the distance between Y and Z.

ICSE VI Maths

Mohit covers a distance in 5 hours by his car at the speed of 15 m/sec . Find the total distance covered by Mohit .

ICSE VII Maths Speed, Distance and Time

A train 260 m long running at 72 km/h, crosses a bridge 240 m long. Find the time taken by it.

ICSE VII Maths Speed, Distance and Time

a car started from town P and travelled towards town Q at speed of 70km/hr at the same time a van started from town Q and travelled towards town P at speed of town Q town Q towns town

ICSE VII Maths Speed, Distance and Time

Mohan travels in an aeroplane at a distance of 1200 km for the first half of the distance the plane flies at a speed of 900 km per hour and to the rest of the distance is flies at a speed of 750 kilometre per hour how long does the Trip take

CBSE IX Physics Motion

what is velocity

NEET NEET Physics Physics and Measurement

which clock  maintains the indian standard time? The jiffy is a prime example of a non-standard unit of measurement of  --------- .

CBSE XI Science Physics

find time of flight

CBSE XII Science Physics

River speed varies as v = t/2 and a man wants to reach directly opposite bank of river .his velocity in still water is 5 and river width is 48. a. Find directikn which msn should swim and time he takes to cross B. Find trajectory Ans is 37 degree and 53 degree and time is 12 ,16 s  

CBSE IX Physics

What is the minimum time a cheetch will take to get its prey , at a distance of 100 m,if the average valocity attened by it is 90 km/h?

ICSE VII Maths Linear Equations in One Variable

Question is in the picture

CBSE IX Physics

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

CBSE IX Physics

is time travel is possible?if not why?if yes Why?    

CBSE XII Science Chemistry Chemical Kinetics

Please ans both part

CBSE IX Physics

A particle is projected upward with speed 105 m/s done the time after which it is hit the ground is: 1.20 s 2.21 s 3.22 s 4.25 s

CBSE IX Physics

Is fourth dimension time?   

JEE Main Physics

A point object is located at a distance of 100 cm from a screen a lens of focal and 23 CM mounted on a movable frictionless stand is kept between the source and the screen The Stand is attached to a spring of natural length 50 cm and Spring Constant800Newton per metre as shown in figure mass of the stand with lens is to kilogram how much impulse should be imparted to the stand so that a real image of the object is formed at the screen after the fixed time gap also find this time gap

ICSE VII Maths Speed, Distance and Time

A child cycles at a speed of 4 m/s how much distance will he cover in 2 minutes 

CBSE XI Science Physics Motion in a Plane

a projector is projected horizontal with velocity 10 ms making distance 45 degree .what is time of flig

NEET NEET Physics Kinematics

A balloon starts moving vertically upwards with a uniform acceleration of 1.25 m / s2 After 10 s a stone is dropped from the balloon then find - ( g 10 ms- 2 ) ( 1 ) maximum height from the stone (2 ) the stone time taken to reach the ground

CBSE XI Science Physics

hello mam When a potential difference of 1.5 V is applied across a wire of length 0.2 m and area of  cross-section 0.30 mm2 , a current of 2.4 A flows through the wire. If the number density of  free electrons in the wire is 8.4 X 1028 m-3 , calculate the average relaxation time. please solve this sum  

CBSE XII Science Physics Electric Charges and Fields

hello mam When a potential difference of 1.5 V is applied across a wire of length 0.2 m and area of  cross-section 0.30 mm^2 , a current of 2.4 A flows through the wire. If the number density of  free electrons in the wire is 8.4 X 10^28 m^-3 , calculate the average relaxation time.

CBSE X Physics Electricity

if 20 C of charge pass a point in a circuit in 1 second what current is flowing

CBSE IX Physics Motion

A stone is thrown vertically upward after how much time it will be at height of 5m

NEET NEET Physics Properties of Solids and Liquids

Solve this problem, thanks ☺️

NEET NEET Physics Oscillations and Waves

the periodic motion of a particle doing shm is 4s the time taken from mean position to maximum displacement

NEET NEET Physics Kinematics

. Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time 𝑡1. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time 𝑡2. The time taken by her to walk up on the moving escalator will be   (a) 𝑡1𝑡2 𝑡2− 𝑡1 (b) 𝑡1𝑡2 𝑡2+ 𝑡1 (c) 𝑡1− 𝑡2 (d) 𝑡1+𝑡2 2 

CBSE XI Science Physics Motion in a Plane

a body is projected with speed 40root2 m/s downwards an angle of 45 degree from vertical if h=100 m find 1. time of flight 2. range

ICSE VII Maths Speed, Distance and Time

(1) A 110-m-long train travels at 30 km/h. How long will it take to cross a 90 m long?

NEET NEET Physics Kinematics

A 300m long train is moving with uniform velocity of 90 kmper hour. the time taken by the train to cross another train of length 700m moving with same speed in opposite direction is

CBSE VII Science Motion and Time

A vehicle has the speed of 40 km/h. What does this mean?

ICSE IX Physics Current Electricity

A conductor carries a current of 0.2 A. [3] i) Find the amount of charge that will pass through the cross section of conductor in 40 s. ii) How many electrons will flow in this time interval if charge on one electron is 1.6 x 10–19 C ?

Junior V Maths

9 hr 46 min 54 sec divide by 6

CBSE VI Science Light, Shadows and Reflections

what is time

JEE Main Physics Kinematics

if a ball dropped from point P crosses point Q in t seconds. The time taken by it to travel from Q to R,if PQ=QR

JEE Main Physics Gravitation

.

CBSE XI Science Physics Motion in a Straight Line

A person goes to his office from his home daily at a fixed speed but today he decided to reduce his speed by 20% as a result he reaches his office 16 minute late. what's the actual time he takes to reach his office daily

CBSE IX Physics Motion

Two points A and B are located on the floor of a room 30cm and 20cm away from a wall. The distance between the points parallel to the wall is 50cm. An insect is at moving on the floor at 5cm/s. It has to first reach a point C on the wall and then reach B such that AC and BC make equal angles with Normal to the wall at C. The time taken for this  motion will be

CBSE VI Maths

Anny walked at a speed of 10m per min How much time will he take to cover a distance of 1km 500m

CBSE IX Science Motion

a stone is dropped from the top of a tower 100m high and instantly a second stone is projected vertically upward from the bottom with a velocity of 35/√2 metre per second.Find when and where the two stones meet ?

ICSE IX Maths Distance Formula

foemula for time is 

ICSE VII Physics Motion

If a boy crosses a road distancing 600m in 5 minutes what will be the boys average speed? 

ICSE VII Maths Speed, Distance and Time

A train covers a distance of 670 km in 6 h 5 min. If it covers the first 390 km of the journey at 90 km/h, find its speed for the whole journey

CBSE VII Science Motion and Time

what is the importance of time

CBSE XI Science Physics Motion in a Straight Line

a bullet travelling with speed of 16m/s penetrates a tree trank come to rest in 0.4m find the time taken during retard

JEE Main Physics Physics and Measurement

If G,c and h are fundemantal constants of physics then which of the following combination gives us dimensions and time

NEET NEET Physics Kinematics

A stone is dropped into a well in which the level of water is h below the top of the well. If v is velocity of sound, the time T after which the splash is heard is given by

JEE Main Maths Mathematical Reasoning

A train of 245-meter length crosses a platform of double its length in 45 seconds. Another train coming from opposite direction of length 364 meter with speed 63km / h * r will cross the first train in

NEET NEET Physics Rotational Motion

A ball ia thrown vertically upward from the ground with speed 40m/s. It collides with ground after returning. Find the total distance travelled and time taken during its bouncing. (e=0.5)(g=10m/s^2)

CBSE VI Maths Fractions

200 seconds to hour's