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

Asked by swarajtopper 30th July 2015 5:23 PM

## 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?

Asked by pranab.mdh.mbd 17th July 2016 10:36 PM

## 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

Asked by ajayrath7 26th May 2017 7:19 PM

## 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 .

Asked by sucharitasahoo1 24th November 2017 6:02 PM

## 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 ?

Asked by sudhanshubhushanroy 6th December 2017 6:26 AM

## 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?

Asked by aryap7964 6th December 2017 4:53 PM

## 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?

Asked by aryap7964 8th December 2017 7:06 PM

## If 24 clerks can clear 180 files in 15 days , then the number of clerks required to clear 240 filesin 12 days, is  38 40 42 44

Asked by sucharitasahoo1 26th December 2017 6:04 PM

## 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?

Asked by mkp400 29th December 2017 8:31 AM

## 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?

Asked by mkp400 29th December 2017 8:35 AM

## ►     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

Asked by ipranjal01 30th April 2018 3:33 PM

## 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.

Asked by acv27joy 6th May 2018 8:21 PM

## 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?

Asked by nathsantanukumar 9th May 2018 5:23 PM

## 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?

Asked by nathsantanukumar 9th May 2018 5:51 PM

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

Asked by deepakagarwal1024 9th May 2018 8:39 PM

## 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.

Asked by CHIDAMBAR 23rd May 2018 7:07 PM

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

Asked by nishola82 28th May 2018 2:36 PM

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

Asked by gargpuneet989 25th June 2018 9:01 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 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

Asked by Samrat 29th June 2018 10:38 PM

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

Asked by Samrat 30th June 2018 11:32 PM

## 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

Asked by gargpuneet989 7th July 2018 6:26 PM

## 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 .

Asked by arunavamitra50 8th July 2018 4:32 PM

## Ques 38

Asked by rbhatt16 10th July 2018 11:46 PM

## 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

Asked by aryanvishwakarmaaryan 19th July 2018 1:28 PM

## Solve it

Asked by hariom2083 22nd July 2018 12:18 PM

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

Asked by drsakuntalagogoi 25th July 2018 9:48 PM

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

Asked by sms_salunke 28th July 2018 5:47 AM

## 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

Asked by valavanvino1011 10th August 2018 6:16 AM

## 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.

Asked by nathsantanukumar 10th August 2018 7:13 AM

## 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?

Asked by nathsantanukumar 10th August 2018 7:18 AM

## 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?

Asked by nathsantanukumar 10th August 2018 7:21 AM

## 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?

Asked by nathsantanukumar 10th August 2018 7:28 AM

## 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)

Asked by valavanvino1011 12th August 2018 5:17 PM

## 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

Asked by afrozansari30198 12th August 2018 7:23 PM

## 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

Asked by valavanvino1011 13th August 2018 8:57 PM

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

Asked by valavanvino1011 13th August 2018 8:58 PM

## Find speed distance 6km and time 2hours

Asked by Amrahsony 20th August 2018 3:20 PM

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

Asked by 277219299760053 22nd August 2018 5:54 AM

## the angular velocity of the seconds hand in a watch is

Asked by vvelesha 22nd August 2018 10:19 PM

## 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 ?

Asked by susanta.rkl 31st August 2018 10:41 PM

## 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

Asked by susanta.rkl 31st August 2018 10:42 PM

## 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?

Asked by Sikerwar_Indore 18th September 2018 8:36 PM

## 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.

Asked by anjuparihar05 20th September 2018 12:47 PM

## A man runs at a speed of 12km/h. How long will it take to cover distance of 8 km?

Asked by aman71963 22nd September 2018 7:42 PM

## 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 .

Asked by anjuparihar05 23rd September 2018 3:16 PM

## 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?

Asked by msthakare25 24th September 2018 8:40 PM

## 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

Asked by nikitasuresh0 24th September 2018 9:48 PM

## 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

Asked by Ankujsingla 26th September 2018 1:32 PM

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

Asked by akhtaransarijsr 21st October 2018 1:20 AM

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

Asked by anbazhagi.1984 23rd October 2018 7:10 PM

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

Asked by alwindcruz45 30th October 2018 7:56 PM

## . ________________ is used to measure short intervals of time.

Asked by Nimmi 2nd November 2018 1:53 PM

## 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|

Asked by abhivantepaka2412 9th November 2018 8:56 PM

## 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?

Asked by nathsantanukumar 11th November 2018 4:44 PM

## 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?

Asked by ganeshbharne55 25th November 2018 6:51 PM

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

Asked by Souravdash605 27th November 2018 3:12 PM

## 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

Asked by Rakhisumam 28th November 2018 10:30 AM

## 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?

Asked by rkr2008 1st December 2018 8:58 AM

## How are distance, time and speed related to each other

Asked by nandinirawat023 9th December 2018 3:06 PM

## 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.

Asked by Sheeshpal.singh15 17th December 2018 7:47 PM

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

Asked by 995152930693660 20th December 2018 6:09 PM

## 3 days 13 hours

Asked by reetusethi1985 22nd December 2018 1:16 PM

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

Asked by atul_rclal 25th December 2018 9:59 PM

## 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?

Asked by hemanta3651 27th December 2018 1:15 PM

## 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?

Asked by asr929486 11th January 2019 8:26 PM

## 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?

Asked by Sukritsamir92 14th January 2019 11:56 AM

## 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

Asked by Vidushi412 19th January 2019 10:58 PM

## Why do we need to measure time? Explain with examples

Asked by naitik892006 23rd January 2019 7:40 PM

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

Asked by shamamatarannum786 4th February 2019 7:26 PM

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

Asked by shamamatarannum786 4th February 2019 7:55 PM

## 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?

Asked by rojesh.sahoo 7th February 2019 9:13 PM

## 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?

Asked by rushabh123 7th February 2019 10:32 PM

## 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?

Asked by rojesh.sahoo 14th February 2019 10:01 AM

## 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

Asked by shrimukhtripathi786 18th February 2019 1:34 PM

## Time and Temperature

Asked by gautamsingh2468 18th February 2019 8:28 PM

## 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 .

Asked by Mdazharuddin184 24th February 2019 2:46 AM

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

Asked by pratikachauhan2421 28th February 2019 11:38 AM

### CBSE X Maths

Asked by shettyatul17 4th March 2019 11:42 AM

### CBSE X Maths

Asked by shettyatul17 4th March 2019 9:03 PM

## 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

Asked by snehamayee.75 24th March 2019 9:16 AM

## 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

Asked by Pardeshivinay7 26th April 2019 7:26 AM

## Hi  Please send the solution

Asked by Bovanghai 4th May 2019 5:19 PM

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

Asked by varakalasuchi3 16th May 2019 7:23 PM

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

Asked by vk204957 21st May 2019 1:42 PM

### CBSE XI Science Physics

Asked by dineshchem108 22nd May 2019 11:15 AM

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

Asked by truptimayeesahoo100 28th May 2019 4:11 PM

## 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.

Asked by 6073sumant 30th May 2019 9:17 AM

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

Asked by smritiangurana1994 12th June 2019 11:36 AM

### CBSE X Physics

Asked by labheshvaidya 18th June 2019 11:58 AM

## 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

Asked by binayakbiswas 16th July 2019 9:50 PM

## 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

Asked by nirmalar001 16th July 2019 10:05 PM

## 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.

Asked by vidyavikram10 21st July 2019 12:57 PM

## 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.

Asked by vidyavikram10 24th July 2019 4:52 PM

## 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,

Asked by Tabasumhabib48 4th August 2019 12:32 PM

## 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?

Asked by Sidramairaj6166 7th August 2019 5:14 PM

## 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.?

Asked by Cl_narayan 8th August 2019 3:58 PM

## 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?

Asked by bishtbharat869 8th August 2019 8:15 PM

## (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?

Asked by bishtbharat869 9th August 2019 8:48 PM

## Please solve as fast as u can

Asked by vibsjoy 11th August 2019 9:26 PM

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

Asked by brijk456 12th August 2019 6:46 PM

## 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?

Asked by bishtbharat869 16th August 2019 10:17 PM

## 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?

Asked by bishtbharat869 20th August 2019 5:42 PM

## 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 .

Asked by bishtbharat869 22nd August 2019 5:14 PM

## 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

Asked by deepamajulal 24th August 2019 5:21 PM

## 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.?

Asked by bishtbharat869 25th August 2019 10:02 AM

## 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.

Asked by bishtbharat869 26th August 2019 9:56 PM

## Solution

Asked by brijk456 4th September 2019 11:51 PM

## 24 hour clock is used in the airline ticketing

Asked by Pranavchithra 19th September 2019 6:48 PM

## 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.

Asked by vishupatil11397 27th September 2019 7:22 PM

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

Asked by kamalbhoir75 1st October 2019 7:04 PM

## 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?

Asked by Shibakausar42 5th October 2019 10:50 AM

### NEET NEET Physics

Asked by Prashant DIGHE 9th October 2019 10:05 PM

## 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.

Asked by ajit3080 12th October 2019 6:25 PM

## How to find the time when the speed is given

Asked by shitaldhamale22 15th October 2019 9:20 PM

## 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

Asked by babulabishoyee 17th October 2019 5:35 AM

## 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

Asked by sukhmansohitsingh0565 19th October 2019 10:56 PM

### NEET NEET Physics

Asked by anjanakurup728 25th October 2019 2:13 PM

## 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.

Asked by rajrudrag 26th October 2019 4:58 PM

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

Asked by nitishkumarafmc 28th November 2019 8:02 AM

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

Asked by sweetygajiwala85 12th December 2019 10:53 AM

## 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?

Asked by VAshwika23 18th December 2019 6:46 AM

## 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

Asked by anilrktnayak 27th December 2019 4:40 PM

## 4.37 numerical plz

Asked by lovemaan5500 6th January 2020 3:33 PM

### NEET NEET Physics

Asked by Prashant DIGHE 14th January 2020 10:09 PM

## 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?

Asked by agarwalshubh50 4th March 2020 11:27 PM

## Questions 21

Asked by Poojaguptaindia52 8th March 2020 1:13 PM

## 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?

Asked by arajeevshashank 9th March 2020 3:53 PM

### NEET NEET Physics

Asked by Prashant DIGHE 9th March 2020 9:54 PM

### NEET NEET Physics

Asked by Prashant DIGHE 11th March 2020 10:23 PM

## 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

Asked by binayakbiswas 16th March 2020 9:25 AM

## 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.

Asked by Sandeepdob16112005 22nd March 2020 8:56 AM

## convert one an half hour in mins and sec

Asked by biswasrubber 25th March 2020 9:50 PM

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

Asked by arajeevshashank 27th March 2020 12:37 PM

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

Asked by abhilashlambu 10th April 2020 8:08 PM

## How to find  the time

Asked by muskanrai4257.7sdatl 20th April 2020 1:36 PM

### CBSE XI Science Physics Motion in a Straight Line

Asked by Prashant DIGHE 22nd April 2020 10:28 PM

## ch. work

Asked by nilesh.dhote74 27th April 2020 5:57 PM

## ch. work power energy

Asked by nilesh.dhote74 27th April 2020 5:58 PM

## conpare the worl done

Asked by nilesh.dhote74 27th April 2020 6:18 PM

## how to find the displacement

Asked by nilesh.dhote74 28th April 2020 10:10 PM

### CBSE XI Science Physics Gravitation

Asked by satishkashyap02022004 29th April 2020 3:07 PM

## 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?

Asked by vijayparmar555115 1st May 2020 3:03 PM

### JEE Main Physics Kinematics

Asked by Mastersword650 5th May 2020 9:53 AM

### CBSE XI Science Physics Motion in a Straight Line

Asked by Mastersword650 6th May 2020 11:32 AM

## The two persons going in same speed then what say

Asked by shivamparikh8222.7sdatl 9th May 2020 8:08 PM

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

Asked by singhaprajita7144.7sdatl 27th May 2020 7:44 PM

## 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.

Asked by simasarkar1968 28th May 2020 7:02 PM

## 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

Asked by bannuridevarao1693 13th June 2020 7:50 AM

## 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 .

Asked by saeedeokar99.6spicertl 6th September 2020 12:40 PM

## 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.

Asked by shreyasonar94.7spicertl 6th September 2020 2:41 PM

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

Asked by saeedeokar99.6spicertl 6th September 2020 3:12 PM

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

Asked by saanvisanju25th 10th September 2020 11:06 AM

## 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

Asked by pratibha.sudh 15th September 2020 8:53 PM

## 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

Asked by arpanmaity1205 27th September 2020 6:31 PM

## what is velocity

Asked by pankajlamba9416818 5th October 2020 7:11 PM

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

Asked by jaydevmate40 21st October 2020 6:43 PM

## find time of flight

Asked by preetiagrawal1979 22nd October 2020 6:41 AM

## 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

Asked by cudio1212 30th October 2020 11:27 PM

## 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?

Asked by swatipuspapatel 3rd November 2020 7:07 PM

## Question is in the picture

Asked by chandrageeth.kumar9 16th November 2020 8:05 PM

## 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.

Asked by rachitraj152007 3rd January 2021 7:10 PM

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

Asked by abhinav34.9dgatl 4th January 2021 11:49 AM

### CBSE XII Science Chemistry Chemical Kinetics

Asked by amitkumar.cis 14th January 2021 12:40 PM

## 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

Asked by santoshkumargupta644 25th January 2021 9:01 AM

## Is fourth dimension time?

Asked by ameyareddy9 27th January 2021 7:04 PM

## 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

Asked by hk4979169 14th February 2021 12:37 PM

## 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

Asked by surabhilakhara7299 14th June 2021 7:54 AM

## 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

Asked by seeni2005 22nd June 2021 4:06 PM

## 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.

Asked by seeni2005 22nd June 2021 4:15 PM

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

Asked by kamnikumari698 23rd June 2021 8:28 AM

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

Asked by bhoirhimnshu2326 26th June 2021 6:08 AM

## Solve this problem, thanks ☺️

Asked by jhajuhi19 18th July 2021 12:06 AM

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

Asked by kiransahu515 25th July 2021 11:30 PM

## . 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

Asked by alliedsonyeric 8th August 2021 1:13 PM

## 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

Asked by sohail.saba0311 9th September 2021 8:23 PM

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

Asked by abnandini013 3rd February 2022 5:03 PM

## 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 ?

Asked by subhransudey81 8th February 2022 11:06 AM

## 9 hr 46 min 54 sec divide by 6

Asked by deepajana2006 18th March 2022 3:24 PM

## what is time

Asked by ramgopal373k 1st April 2022 2:39 PM

## 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

Asked by mrudhulaprakashmanda844 23rd July 2022 10:26 PM

## .

Asked by swayamagarwal2114 18th August 2022 9:04 AM

## 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

Asked by rajesh kumar 21st October 2022 8:15 PM

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

Asked by krishnathakur8840 8th January 2023 8:25 AM

## 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 ?

Asked by sheokanddimple 16th January 2023 6:00 PM