Three speed-time graphs are given below: Which graph represents the case of:

(i) a cricket ball is thrown vertically upwards and returning to the hands of the thrower?
(ii) a trolley decelerating to a constant speed and then accelerating uniformly?"

(i). In graph (c), the speed of a ball has been shown which has been thrown vertically upward. First, speed decreases and becomes zero at the highest point and then starts increasing and the speed of the ball is maximum at the bowlers' hand.

(ii). In graph (a), the the speed of trolley is decreasing with time and then moves at a constant speed and then start accelerating uniformly.

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Updated on: 10-Oct-2022

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