Question:
A boy throws a ball vertically upwards then 1 work is done
Last updated: 6/20/2023
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A boy throws a ball vertically upwards then 1 work is done by the boy throughout the motion of the ball 2 work is done by the boy only during upward motion of the ball 3 work is done by the boy only at the moment he throws the ball 4 work done by boy on it is zero