EASY
Earn 100

A ball is dropped from some height. After rebounding from the floor it ascends to the same height. Draw the velocity-time graph for the given motion.

Important Questions on Velocity and Acceleration

EASY

The following figure shows the speed-time graph of a particle moving along a fixed direction. The distance travelled by the particle between time t=0 s to t=6 s is

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MEDIUM

A particle starts from the origin at time t=0 and moves along the positive x-axis. The graph of velocity with respect to time is shown in figure. What is the position of the particle at time t=5 s?
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MEDIUM

The velocity time graphs of a car and a scooter are shown in the figure. (i) The difference between the distance travelled by the car and the scooter in 15 s and (ii) the time at which the car will catch up with the scooter are, respectively.

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MEDIUM

The velocity-time graph of a body moving in a straight line is shown in figure. Find the displacement and distance travelled by the body in 10 seconds.

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EASY
A scooter accelerates from rest for time t1 at constant rate a1 and then retards at constant rate a2 for time t2 and comes to rest. The correct value of t1t2 will be :
EASY

The velocity (v) and time (t) graph of a body in a straight line motion is shown in the figure. The point S is at 4.333 seconds. The total distance covered by the body in 6 s is :

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MEDIUM

From the velocity-time graph, given in figure of a particle moving in a straight line, one can conclude that:

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EASY
The velocity - time graph of a body is shown in figure. The ratio of the ...during the intervals OA and AB is .... Question Image
MEDIUM
If height is expressed as h=t2-1 and if the object is at h=3 the time it would have taken
EASY
If the height can be expressed as h=(12t2+4t) m, the value of h after t=1 s is
HARD

The fig. shows the v-t graph of a particle moving in straight line. Find the time (in seconds) when particle returns to the starting point.

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MEDIUM
The acceleration -time graph of a body is shown below.
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The most probable velocity-time graph of the body is
MEDIUM

The speed of a train increases at a constant rate α from zero to v and then remains constant for an interval and finally decreases to zero at a constant rate β. The total distance travelled by the train is l. The time taken to complete the journey is t. Then, 

 

MEDIUM
The variation of velocity of a particle moving along a straight line is shown in the figure. The distance travelled by the particle in 4 s  is


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EASY
In projectile motion, the height of the object varies with respect to time.
MEDIUM
The velocity-time graph of a particle moving along a straight line is as shown in diagram. The rate of acceleration and retardation is constant and is equal to 5 m s-2. If the average velocity during the motion is 20 m s-1, then
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The distance travelled with uniform velocity is
EASY

A car accelerates from rest at a constant rate α for some time, after which it decelerates at a constant rate β and comes to rest. If the total time elapsed is t, then the maximum velocity acquired by the car is

EASY
The velocity-time graph of a particle moving along a straight line is shown in the figure. The displacement of the body in 5 s is

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HARD
shows the velocity (v) of a particle plotted against time (t).

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EASY

The velocity-time graph of a particle moving along a straight line is as shown in the diagram. The rate of acceleration and retardation is constant and is equal to 5m s-2. If the average velocity during the motion is 20 m s-1, then the maximum velocity of the particle is

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