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Physics 21 Online
OpenStudy (anonymous):

When a 58 g tennis ball is served, it accelerates from rest to a constant speed of 36 m/s. The impact with the racket gives the ball a constant acceleration over a distance of 35 cm. What is the magnitude of the net force acting on the ball?

OpenStudy (anonymous):

Is Serena or Venus Williams serving it?

OpenStudy (anonymous):

lol...

OpenStudy (anonymous):

F = ma

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