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A baseball player can swing his bat at 120 mph. A baseball pitcher can throw a...

A baseball player can swing his bat at 120 mph. A baseball pitcher can throw a fastball at 80mph. When the baseball meets the bat in an elastic head-on collision, at what speed will the ball leave the bat? Assume that the mass of the ball is negligible compared to that of the bat. (Multiple Choice but show work)

a. 160 mph

b. 240 mph

c. 300 mph

d 320 mph

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