Q21. The velocity-time graph of two cars A and B is shown below:
) Which car has greater acceleration? Give reason to your answer. (1) Find the velocity of car B at an instant when car A is moving with a velocity of 30 m/s.
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Slope of the velocity-time graph gives the acceleration of the body. Since, at the instant earlier than to, slope of car A and car B is same. Thus accelerations of two cars are equal to each other at an instant earlier than to.
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