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OpenStudy (anonymous):
When a 58 g tennis ball is served, it accelerates from rest to a constant speed of 35 m/s. The impact with the racket gives the ball a constant acceleration over a distance of 48 cm. What is the magnitude of the net force acting on the ball?
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OpenStudy (anonymous):
velocity^2=2a(deltax) so a=v^2/2deltax or 35^2/(2*.48). Force=mass*acceleration.
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