Question

A ball is thrown vertically upward with a velocity of 20 ms-1. It takes 4 seconds to return to its original position. Draw a velocity-time graph for the motion of the ball and answer the following questions:

At which point P, Q, R, the stone has :

(a) reached its maximum height.

(b) stopped moving?​

Answer 1

see this attachment

hope this helps you

Answer 2

Answer:

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