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प्रश्न
The rate of change of velocity is ______.
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उत्तर
The rate of change of velocity is acceleration.
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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 .
When is the acceleration due to gravity negative?
Give an example of an accelerated body, moving with a uniform speed.
From the diagram given below, calculate deceleration.

A cyclist driving at 5 ms−1, picks a velocity of 10 ms−1, over a distance of 50 m. Calculate
- acceleration
- time in which the cyclist picks up above velocity.
A motor bike running at 5 ms−1, picks up a velocity of 30 ms−1 in 5s. Calculate
- acceleration
- distance covered during acceleration.
A motor bike running at 90 kmh−1 is slowed down to 18 kmh−1 in 2.5 s. Calculate
- acceleration
- distance covered during slow down.
Define acceleration.
What does a positive acceleration mean?
The distance covered by a body is directly proportional to the square of the time elapsed. What can you say about its acceleration?
State if the following situation is possible:
A body moving with constant acceleration but with Zero velocity.
State if the following situation is possible:
A body moving horizontally with an acceleration in vertical direction.
Is it possible for an accelerating body to have constant speed?
Convert the following acceleration:
7200 km/h2 into m/s2
Figure represents graphically the velocity of a car moving along a straight road over a period of 100 hours.
Calculate the acceleration along AB and the retardation along BC.
The slope of a velocity-time graph gives ______.
A quantity has a value of 16ms-2. It is the ______.
It is possible to have objects moving with uniform speed but variable acceleration.
