Posted by **Maria** on Sunday, February 27, 2011 at 10:29pm.

A(n) 0.163 kg baseball is thrown with a speed

of 9.37 m/s. It is hit straight back at the

pitcher with a final speed of 16.7 m/s.

What is the magnitude of the impulse de-

livered to the ball?

Answer in units of kg ยท m/s.

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