Question

. Que 5) A ball stricks the floor vertically downwards with a speed of 10m5-1 and rebounds with the same speed. The magnitude of its change in velocity will be

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Answer 1

Answer:

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Answer 2

Explanation:

A ball strikes the floor vertically downward with a

speed 5 m/s and rebounds with the same speed.

The magnitude of its change in velocity will be

(1) Zero

(2) 5 m/s

(3) 10 m/s

(4) 40 m/s