Answer :
Final answer:
The forces on the basketball are balanced at the highest point of its trajectory.
Explanation:
At the highest point, when the ball has stopped moving upwards and just before it begins descending, all the forces on the basketball are balanced. At this moment, the force due to gravity acting downwards is equal in magnitude to the force exerted by the ball on the coach's hands upwards, resulting in a net force of zero.
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