Course Horne Home Work 7- Microsaft Edge 811778228offset-next Home Work Problem

Question

Course Horne Home Work 7- Microsaft Edge 811778228offset-next Home Work Problem 7.12 previous 12 of 13 next Part A Problem 7.12 If the contact time is 2.00 ms, calculate the magnitude of the average force on the ball during the contact 0.145 kg baseball pitched horizontally at 36 8 m/s strikes a bat and is popped straight up to a height of 57.5 m A Express your answer using two significant figures. Submit My Answers Give Up Part B Calculate the direction of the average force on the ball during the contact Express your answer using two significant figures. e above 0 Type here to search a

Explanation / Answer

A] Average force = F = m(v - u)/t

=> F = (0.145 x 36.8)/2 x 10-3 = 2668 N

B] Since the velocity of the ball has changed its direction by an angle of 90 degrees, the direction of average force will be 90/2 = 45 degrees above the horizontal.

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