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**1. Homework Statement**

A .145 kg pitched baseball moving at 35 m/s strikes a bat and is popped straight up (forming a 90 degree angle)to a height of 55.6 m before turning around. If the contact time is .50 seconds. calculate the average force on the ball during contact.

**2. Homework Equations**

p=mv

impulse=ft

m1v1+m2v2 = m1v1 prime +m2v2 prime

delta ft= delta mv

**3. The Attempt at a Solution**

I honestly have no idea but this is what i did

f=mv/t=.145(35 m/s)/.50 s= 10.15 N

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