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May 23, 2015

Homework Help: Physics

Posted by Emily on Sunday, December 2, 2012 at 1:53am.

A baseball player uses a pitching machine to
help him improve his batting average. He
places the 43.4 kg machine on a frozen pond.
The machine fires a 0.0546 kg baseball horizontally at a speed of 44.8 m/s.
What is the magnitude of the recoil velocity
of the machine?
Answer in units of m/s

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