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Queries asked on Sunday and after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.

## dear sir/mam, plz answer the following question....

Asked by 28th February 2008 12:42 AM
Answered by Expert

## what is accelaration

Asked by 5th March 2008 11:47 AM
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## name a physical quantity which has same dimensional formula as that of acceleration?

Asked by 12th March 2008 9:06 PM
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## what do you mean by differentiating equation? how did you got 2dv/dt=-7

Asked by apurva151 22nd August 2015 7:39 PM
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## YOU DID NOT TELL WHAT IS THE ACCELERATION HERE??

Asked by Harshita Singh 21st September 2015 1:51 AM
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## An object follows a curved path. Can its speed and magnitude of acceleration be constant during the motion?

Asked by सुधाकर 3rd October 2017 5:55 PM
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## A ball is thrown vertically upwards with a given velocity 'u' such that it rises for T seconds(T>1), what is the distance travelled by the ball during the last one second of ascent (in metres)? (Acceleration due to gravity is g m/second square)

Asked by adityaahuja099 11th October 2017 7:07 PM
Answered by Expert

## A man running with a uniform speed 'u' on a straight road observes a stationary bus at a distance 'd' ahead of him. At that instant, the bus starts with an acceleration 'a'. The condition that he would be able to catch the bus is?

Asked by adityaahuja099 11th October 2017 7:16 PM
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## Ques 62 Asked by rbhatt16 17th October 2017 10:54 PM
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## A particle moves along a straight line according to the law 22  cbt2atS . The acceleration of theparticle varies as ?

Asked by Shanthiswaroop Srinivas 5th November 2017 3:06 PM
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## Q1. IT IS POSSIBLE TO ACCELERATE MOTORCYLCLE WITHOUT PUTTING HIGHER PETROL INPUT RATE INTO THE ENGINE. MOREOVER MOTORCYCLE IS DRIVEN ON A HORIZONTAL ROAD.   Q2. A SMALL COIN IS PLACED ON A REORD ROTATING AT 94/3 REV/MINUTE. THE COIN DOESNOT SLIP ON THE RECORD.WHERE DOES IT GET THE REQUIRED CENTRIPETAL FORCE FROM?

Asked by haroonrashidgkp 19th November 2017 11:09 AM
Answered by Expert

## plaese solve this problem Asked by jaychandran1967 27th November 2017 10:53 PM
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## Draw a graph showing relation bw acceleration and force and mass Also explain it

Asked by lovemaan5500 16th December 2017 4:26 PM
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## Q1. A particle is revolving in a circle increasing its speed uniformly. which of following is constant ? and why? and why not? explain the all four of option. A) centriprtal force    B)Tangential accerelation C)Angular acceleration D) angular as well as centriptal

Asked by futureisbright051101 15th January 2018 8:15 AM
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## Question 13

Asked by anirbanbag81 21st January 2018 10:11 AM
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## A ball is dropped on the floor from a height of 10 metre rebounds to a height of 2.5 M if the ball is in contact with the floor for 0.01 seconds what is the average acceleration during contact

Asked by www.naresh 4th February 2018 7:28 AM
Answered by Expert

## 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
Answered by Expert

## 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  Explain each one

Asked by Sunita 28th February 2018 12:25 PM
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## Difference between acceleration and velocity.

Asked by Kanwaranita10 28th February 2018 3:50 PM
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## can you provide a shortcut for the following sum? on a 2-lane road, car A is travelling with a speed of 36kmph. Two cars B & C approach A in opposite directon with speed of both being 54kmph. At a certain instant when distance AB=AC,both beng 1 km,B decides to overtake A before C does.The minimum required acceleration of car B to avoid an accident is?

Asked by imtiyazmulla68 4th March 2018 9:32 PM
Answered by Expert

## The X and Y coordinates of  the  particle  at  any  time are X=5t-2tsquare  and Y=10t  respectively, where   X     and  Y  are  in  metres  and  t  in  seconds.  What  is  the  acceleration  of  the particle at   t=2second ?

Asked by PARDEEP 31st March 2018 3:56 PM
Answered by Expert

## A particle in uniform acceleration in a straight line has a speed 'v' m/s at position 'x' metres is given by v =        sqrt( 25 - 16x).  Find the acceleration of the particle. Kindly make use of differentiation for solving the above question.

Asked by acv27joy 20th April 2018 10:51 PM
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## Solve the following

Asked by venkat 22nd April 2018 10:47 AM
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## Sir  pl solve quest no 2

Asked by shobhit 24th April 2018 9:04 AM
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## Sir question attatched Question no. 10

Asked by shobhit 14th May 2018 8:54 AM
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## how can i solve this ??

Asked by pukai7229 15th May 2018 10:23 AM
Answered by Expert

## A block is released from rest at the top of  an frictionless inclined plane 16 m long. It reaches the bottom  4 seconds later. A second block is projected up the plane from the bottom at an instant the block is released in a such a way that it returns to the bottom simultaneously with first block.  Find the accleration of each block on the inclined plane.  [EXPLAIN WITH PROPER STEPS]

Asked by acv27joy 22nd May 2018 7:28 PM
Answered by Expert

## A block of mass 10 kg is placed on a horizontal surface is connected by a cord passing over a frictionless pulley to a hanging block of mass 10 kg. If the coefficient of friction between the block and the surface is 0.5 and g = 10 m/s^2, then find the accleration of the system.

Asked by acv27joy 22nd May 2018 7:35 PM
Answered by Expert

## A car starting from rest acquires a velocity of 36 km/h in 5 s. Calculate: (1) its accleration (2) distance covered by it ?

Asked by nisha_vini29 22nd May 2018 11:12 PM
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## A train accelerates uniformly from 18 km/h to 108 km/h in 25 s.Calculate : (1) acceleration (2) distance covered ?

Asked by nisha_vini29 22nd May 2018 11:22 PM
Answered by Expert

## A : The acceleration-time graph for an object moving along straight line, starting from rest is as shown in figure. Speed of the particle is maximum at time t1. R : Velocity is maximum when acceleration is maximum.

Asked by dipanshusingla029 23rd May 2018 5:16 PM
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## 1?

Asked by smanishkumar2002 2nd June 2018 7:58 AM
Answered by Expert

## A particle in simple harmonic motion has a position defined by the function x(t) = (80 cm) sin [(20 s-1 )t]. a) Determine the velocity v as a function of time t. b) Determine the acceleration a as a function of time t

Asked by tps.mjmdr 2nd June 2018 11:07 AM
Answered by Expert

## A particle of unit mass undergoes one dimensional motion such that its velocity varies according to v(x) = bx-2n, where b and n are constants and x is the position of the particle. Find acceleration as a function of x

Asked by tps.mjmdr 2nd June 2018 11:09 AM
Answered by Expert

## 5?

Asked by smanishkumar2002 5th June 2018 10:12 PM
Answered by Expert

## 12?

Asked by smanishkumar2002 9th June 2018 7:55 AM
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## instantaneous position of a partical at time t,is given by x=10+12t+8t square where x and t are in metre and second respectively find the (a) initial velocity of a partical  (b)velocity of a partical at t=3sec (c)instantaneious accerlation of partical (d)position of particalat t=5sec

Asked by puneetgarg2555 15th June 2018 7:20 PM
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## Difference between retardation and acceleration on points.

Asked by Kavyasharma 20th June 2018 3:57 PM
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## Sir  Pl solve Ques no -11

Asked by shobhit 23rd June 2018 12:00 AM
Answered by Expert

## Sir Pl solve question no-14

Asked by shobhit 23rd June 2018 12:02 AM
Answered by Expert

## velocity-time equation of a particle moving in a straight line is v=(3tsqure+2t+10) find (a) displacement of a particle from the origin ot time t=1s if it is given that displacement is 20 m at time t=0 (b) acceralation time equation

Asked by gargpuneet989 25th June 2018 8:58 AM
Answered by Expert

## Q no.53

Asked by Vivek.d8765 25th June 2018 11:05 AM
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## A car along with passengers weighs  2000 kg it accelerates from 36 km per hour to 90 km per hour in 10 seconds calculate a.acceleration b. Distance  covered by car while accelerating c. momentum of car after 10 second d.force developed by the engine of car e.Total energy expanded during accelerationf. power of the engine in Kilowatt

Asked by Samrat 30th June 2018 7:18 PM
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## what does slope of velocity time graph represents?

Asked by nishavimal81 1st July 2018 10:10 PM
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## 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
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## An object is projected from ground with the speed of 20m/s at an angle 30° with horizontal. It's centripetal acceleration 1 second after projection is ?

Asked by arunavamitra50 9th July 2018 6:03 PM
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## A car is traveling along a circular curve that has a radius of 42.67 m . If it's speed is 16m/s and is increasing uniformly at 8m/s^2 . The magnitude of net acceleration at this instant is

Asked by arunavamitra50 9th July 2018 6:05 PM
Answered by Expert

## Could you please solve this numerical!!

Asked by pukai7229 10th July 2018 8:08 PM
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## Ques 38

Asked by rbhatt16 10th July 2018 11:46 PM
Answered by Expert

## Answer question 11 only

Asked by Baskaran 14th July 2018 7:57 PM
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## A balloon rises from ground when a stone is dropped from balloon at a given instant it takes a time 2u/g, ( u is constant) to reach ground irrespective of position from where it is dropped. Find acceleration of balloon as a function of time

Asked by hariom2083 16th July 2018 12:46 PM
Answered by Expert

## Given mass of man is 60kg and reading of weighing machine is 90kg,what is the acceleration of lift in upward and downward direction?

Asked by m.nilu 18th July 2018 5:03 PM
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## If the velocity of a particle is given by v=√(180-16x)m/s , then its acceleration will be

Asked by valavanvino1011 18th July 2018 11:06 PM
Answered by Expert

## In the arrangement shown the pulley and the strings are ideal. The acceleration of block B is

Asked by m.nilu 19th July 2018 4:03 PM
Answered by Expert

## In fig shown the blocks A and C are pulled down with constant velocities u.Find the acceleration of block B at the given moment.

Asked by m.nilu 23rd July 2018 9:32 PM
Answered by Expert

## In the arrangement shown in fig neglect the masses of the pulley and string and also friction.The accelerations of blocks A and B are

Asked by m.nilu 24th July 2018 11:35 AM
Answered by Expert

## For the system (in equilibrium) shown in fig ,the acceleration of the mass m4 immediately after the lower thread x is cut will be (assume that the threads are weightless and inextensible,the spring are weightless ,the mass of pulley is negligible and there is no friction).

Asked by m.nilu 24th July 2018 11:40 AM
Answered by Expert

## A block of mass m is released on a smooth inclined wedge of inclination 30 and mass M .Height of the block varies with time as h=1.5-1.5t^2. The acceleration of M is

Asked by m.nilu 24th July 2018 11:44 AM
Answered by Expert

## A block C of mass m rests on a smooth table.Two blocks A and B each of mass m, are attached to the end of a light inextensible string passing over a smooth pulley fixed to C as shown .B rests on ac and A can move in a frictionless vertical shaft.Find the acceleration of C.

Asked by m.nilu 26th July 2018 11:04 AM
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## Find acceleration of block B .assume the pulleys and string to be ideal and neglect any friction.

Asked by m.nilu 26th July 2018 11:43 AM
Answered by Expert

## Two blocks A and B of equal mass m are connected through a massless string and arranged as shown .Friction is absent everywhere.When the system is released from rest then find tension in string and acceleration of A.

Asked by m.nilu 27th July 2018 11:00 AM
Answered by Expert

## In the arrangement shown in fig all surfaces are smooth .Select the correct alternative (a)for any value of theta acceleration of A and B are equal (b) contact force bet the two blocks is zero only if mA/mB=tan theta (c)contact force bet the two blocks is zero for any value of ma it mB(d) normal reactions exerted by the wedge on the blocks are equal

Asked by m.nilu 27th July 2018 1:00 PM
Answered by Expert

## Three identical balls 1,2,3 are suspended on springs one below the other as shown.OA is a weightless thread.(a)If the thread is cut,the system starts falling.Find the acceleration of all the balls at the initial instant(b)Find the initial accelerations of all the balls if we cut the spring BC which is supporting ball 3 instead of cutting the thread.

Asked by m.nilu 27th July 2018 1:07 PM
Answered by Expert

## Please solve this problem

Asked by aadeshsatpute375 27th July 2018 8:19 PM
Answered by Expert

## Solve it by pilley movement method.

Asked by hariom2083 28th July 2018 2:06 AM
Answered by Expert

## an electron with an initial velocity 1.5*100000 m/s enters a region of length 1 cm where it is electrically accelerated . it emerges with velocity 5.7*1000000 m/s . what is its acceleration if assumd constant?

Asked by aryajayagovind2000 29th July 2018 9:02 PM
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## A block A of mass m is placed over a plank B of mass 2m.Plank B is placed over a smooth horizontal surface.The coefficient of friction bet A and B is 0.5.Block A is given a velocity v0 towards right.Acceleration of B relative to A is

Asked by m.nilu 30th July 2018 12:27 PM
Answered by Expert

## How much force is required to increase the velocity of a body of 1kg from 20 m/s to 30 m/s?

Asked by showkat 31st July 2018 10:01 PM
Answer Verified by Expert

## In the given situation wedge is moving towards right with an acceleration 5m/s^2 with the help of external force F.(m=1kg).Find acceleration of sphere,normal between sphere and wedge, and value of F.

Asked by m.nilu 3rd August 2018 10:24 AM
Answered by Expert

## Two blocks with masses m1 and m2 of 10kg and 20kg respec are placed as in fig. mew=0.2 bet all surfaces then tension in string and acceleration of m2 block at this moment will be

Asked by m.nilu 15th August 2018 5:23 PM
Answered by Expert

## a force of 30n act on a body of mass 10kg at rest on a smooth surface . what will be the velocity of the body after 5 seconds

Asked by 291170634956051 27th August 2018 6:00 PM
Answered by Expert

## whn  an  bject  is  moving  with  uniform  velocity,  what  is  its  acceleration?

Asked by shamala2343 27th August 2018 8:03 PM
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## Why time is stated twice , while stating acceleration

Asked by sauravluvatifaslam00 8th September 2018 5:00 PM
Answered by Expert

## X and Y components of acceleration of C.M are

Asked by m.nilu 12th September 2018 7:21 PM
Answered by Expert

## on a two line road, car A is travelling with a speed of 36 km/h two cars B and C approach car A in opposite directions with a speed of 54 km/h each. at a certain instant, when the distance AB=AC both being 1km B decides to overtake A before C does.what minimum acceleration of car B is required to avoid an accident?

Asked by mt.moosa123 21st September 2018 9:29 PM
Answered by Expert

## 21st sum plz

Asked by lovemaan5500 25th September 2018 6:58 PM
Answered by Expert

## A particle is moving east-wards with a velocity of 5 m/sec. In 10 sec the velocity changes to 5 m/sec north-wards. The average acceleration in this time is :

Asked by harshitjoshiclan 29th September 2018 11:10 AM
Answered by Expert

## Acc. Of mass m-1 and friction

Asked by lakshyasharmakaushik363 2nd October 2018 4:50 AM
Answered by Expert

## Explain the following concept  in your own word with everyday example . Force ,work,displacement ,velocity, acceleration,distance

Asked by sujayavi2 9th October 2018 10:08 AM
Answered by Expert

## A ball is dropped onto a floor from a height of 20m. It rebounds to a height of 5m. If the ball is in contact with the floor for 6 milliseconds , find the magnitude of average acceleration during the contact

Asked by arunavamitra50 12th October 2018 1:00 PM
Answered by Expert

## In acceleration time graph how speed finding by area enclosed under the graph . detail understanding

Asked by swainanirudha1 13th November 2018 12:35 AM
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## kindly answer

Asked by arup.isro 19th December 2018 10:53 PM
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## A bus decreases it's speed 80 km/h to 60km/h in 5 second find the acceleration?

Asked by ChinuSwami098 22nd December 2018 8:02 AM
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## Find acceleration

Asked by Charu 8th January 2019 1:05 PM
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## 31st sum plz

Asked by lovemaan5500 23rd January 2019 8:13 PM
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## 9th sum

Asked by lovemaan5500 23rd January 2019 8:19 PM
Answered by Expert

## 5th sum

Asked by lovemaan5500 24th January 2019 5:49 AM
Answered by Expert

## A force of 20 N moves a body with in acceleration of 2 ms. What is its mass?

Asked by aliaqat844 4th February 2019 11:31 AM
Answered by Expert

## In a test safety restraint a test car slowed from 50m/s to rest in a time of 0.4seconds (a) what was the acceleration (b) How far did the car travel

Asked by 8318813552s 7th February 2019 11:09 PM
Answered by Expert

## Sir plz solve the question.

Asked by Soma 21st February 2019 12:03 PM
Answered by Expert

## if the angular velocity of a particale depends on the angle rotated ​​​​​​​ Ø asW=Ø²+2Ø, then its angular acceleration A is at Ø=1rad is

Asked by srishti.madav 7th March 2019 5:23 PM
Answered by Expert

## When you say a body is in (a) uniform acceleration (b) non-uniform acceleration?

Asked by rishikharka123 8th March 2019 10:32 AM
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## A train is accelerating at a rate 2m/s. If its initial velocity is 20m/s, what is its velocity after 30 seconds

Asked by nirudesh.av 15th March 2019 6:04 PM
Answered by Expert

## How to solve this question?

Asked by 22bakugoku 25th March 2019 7:01 PM
Answered by Expert

## A woman of mass 50 kg is standing in an elevator. Suddenly the cable of the elevator break and the elevator begin to fall freely .the force exerted by the floor of the elevator on the woman is?

Asked by Ramapadhi148 8th April 2019 6:08 PM
Answered by Expert

## A particle moves along a straight line such that its displacement s at any time t is zero is s=t^3-6t^2+3t+4 meters, t being in second. The velocity when acceleration is zero is

Asked by Padmasinha3578 14th April 2019 10:09 AM
Answered by Expert

## A body moving with uniform accelaration travels 84 metre in first 6 seconds and 180 metre in next 5 seconds. Find out the initial velocity and the accelaration of the body.

Asked by saunakmaitra703 17th April 2019 7:17 PM
Answered by Expert

## When we are asked to find retardation and we put the formula of acceleration if the value is in (-)form then retardation will be in (-) form or (+) form??

Asked by manuchauhan987654 21st April 2019 3:42 PM
Answered by Expert

## Hi

Asked by jain.pradeep 1st May 2019 7:27 PM
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## At a certain instant, an autodriveris driving at a speed of 18 km/hr.then,he uniformly accelarates the auto and after 0 .5 minute the speed of his auto become36 km/hr.what is the average speed of auto?what is the value of uniform acceleration during the given interval of time?state your answer in S.I unit?

Asked by Satyanartan851112 12th May 2019 8:50 AM
Answered by Expert

## eg.  v = 2x ; assume t = 0 ; x = 2 m ; find a(t)?

Asked by kapilkulhari 23rd May 2019 6:56 PM
Answered by Expert

## Hi

Asked by jain.pradeep 29th May 2019 11:46 PM
Answered by Expert

## Sir plz make me understand all the concepts being applied here

Asked by vishakhachandan026 30th May 2019 10:15 AM
Answered by Expert

## Position x of a particle varies with time t as x= at^2 - bt^3. The acceleration will be zero at time t equal to?

Asked by arushidabhade 8th June 2019 7:26 AM
Answered by Expert

## find acceleration of point P when surface is frictionless..

Asked by NSSORATHIYA sorathiya 10th June 2019 8:40 PM
Answered by Expert

## can we check using dimensional analysis that the area under the v-t graph gives us the displacment and the slope of the v-t graph gives us the accerleration .  i am not understanding the

Asked by Suresh 2nd July 2019 8:18 PM
Answered by Expert

## An object changes it's velocity from 30 ms-1 to 40ms-1 in a time interval of 2s. What is it's acceleration?

Asked by dleena20 11th July 2019 8:03 PM
Answered by Expert

## Please answer this

Asked by Prashant DIGHE 13th July 2019 10:04 AM
Answered by Expert

## A bus driver decreases speed from 80km/h to 60km/h in 5 seconds find acceleration

Asked by ranjinimp 18th July 2019 7:08 PM
Answered by Expert

## Velocity of a particle moving in a plane is given by v=( 4i +2t^2j) m/s. Avg. Acceleration of particle for time interval between t=0 to t=2 is

Asked by arushidabhade 21st July 2019 7:56 PM
Answered by Expert

## A car accelerates uniformly from 18km to 36km h in 5s calculate the acceleration and the distance covered by the car in that time.

Asked by shobhavittal.sv 30th July 2019 7:45 PM
Answered by Expert

## Please solve question no.7

Asked by vidyavikram10 5th August 2019 4:43 PM
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## A block of mass 1.5kg placed on a rough horizontal surface is pulled by a constant horizontal force of 1.2 KGF the the coefficient of friction between the block and the surface is 0.3 find the acceleration produced in terms of g?

Asked by akhilagopakumar0002 15th August 2019 8:58 PM
Answered by Expert