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प्रश्न
Give one example of the following motion:
Uniform retardation
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उत्तर
Uniform retardation - Motion of a vehicle, reaching a destination.
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संबंधित प्रश्न
Figure given below shows a velocity-time graph for a car starting from rest. The graph has three parts AB, BC and CD.
(a) Is the magnitude of acceleration higher or lower than that of retardation ? Give a reason .
(b) Compare the magnitude of acceleration and retardation .
A motorbike, initially at rest, picks up a velocity of 72 kmh−1 over a distance of 40 m. Calculate
- acceleration
- time in which it picks up above velocity.
A body falls towards the earth. Does it have positive or negative acceleration?
State if the following situation is possible:
A body moving with constant acceleration but with Zero velocity.
Sketch the shape of the velocity-time graph for a body moving with:
Uniform acceleration.
A car accelerates to a velocity of 30 m/s in 10 s and then decelerates for 20 s so that it stops. Draw a velocity-time graph to represent the motion and find:
The acceleration.
A car accelerates to a velocity of 30 m/s in 10 s and then decelerates for 20 s so that it stops. Draw a velocity-time graph to represent the motion and find:
The Deceleration.
What do you mean by constant acceleration?
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?
