Advertisements
Advertisements
प्रश्न
The graph shows how the velocity of a scooter varies with time in 50 s.
Work out: Acceleration.
Advertisements
उत्तर

Scooter is accelerating in the region O to A and acceleration is given by
a = (v - u)/t = (20 - 0)/10 = 2 m-2.
APPEARS IN
संबंधित प्रश्न
Figure shows the velocity-time graphs for two cars A and B moving in the same direction. Which car has greater acceleration? Give reasons to your answer.

Draw a graph for acceleration against time for a uniformly accelerated motion. How can it be used to find the change in speed in a certain interval of time?
A vehicle is accelerating on a straight road. Its velocity at any instant is 30 km/h. After 2 s, it is 33.6 km/h, and after further 2 s, it is 37.2 km/h. Find the acceleration of the vehicle in m s-2. Is the acceleration uniform?
State its value in C.G.S. as well as in S.I. system.
When is the acceleration due to gravity negative?
The change in velocity of a motorbike is 54 kmh−1 in one minute. Calculate its acceleration in (a) ms−2 (b) kmh−2.
The acceleration of a body is 8.5 ms-2. What does this statement mean?
The Unit of acceleration is ______.
A boy throws a ball up and catches it when the ball falls back. In which part of the motion the ball is accelerating?
A car is being driven at a speed of 20ms-1 when brakes are applied to bring it to rest in 5 s. The deceleration produced in this case will be ______.
