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Question(s) / Instruction(s):

A fast pitch softball player does a "windmill" pitch,moving her hand through a vertical circular arc to pitch a ball at70 mph. The 0.20 kg ball is 52 cm from the pivotpoint at her shoulder.
1. Just before the ball leaves her hand, what is itscentripetal acceleration?
Express your answer using twosignificant figures.
2. At the lowest point of the circle the ball hasreached its maximum speed. What is the magnitude of the force her hand exerts onthe ball at this point?
Express your answer using two significantfigures

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