Apitcher throws a ball at 90 mi/h and the catcher stops it
Chapter 7, Problem 18(choose chapter or problem)
Apitcher throws a ball at 90 mi/h and the catcher stops it in her glove. (a)Is the work done on the ball by the pitcher positive, negative, or zero? Explain. (b)Is the work done on the ball by the catcher positive, negative, or zero? Explain.
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