Just before the ball leaves her hand, what is its centripetal acceleration? Prob

Question

Just before the ball leaves her hand, what is its centripetal acceleration? Problem 6.18 Express your answer using two significant figures A fast pitch softball player does a "windmill" pitch, moving her hand through a vertical circular arc to pitch a ball at 70 mph. The 0.19 kg ball is 51 cm from the pivot point at her shoulder ac- IIn Submit My Answers Give Up Incorrect; Try Again; 6 attempts remaining Part B At the lowest point of the circle the ball has reached its maximum speed. What is the magnitude of the force her hand exerts on the ball at this point? Express your answer using two significant figures. Submit My Answers Give Up Part C At the lowest point of the circle the ball has reached its maximum speed. What is the direction of the force her hand exerts on the ball at this point? Please Choose Submit My Answers Give Up

Explanation / Answer

part 1- a=3764.18

part2 - F=515

part3- 45 degree from horizontal.

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