Monday
December 22, 2014

Homework Help: Physics

Posted by Amy on Saturday, November 6, 2010 at 2:26pm.

A rifle with a weight of 40 N fires a 4.0 g bullet with a speed of 300 m/s.
(a) Find the recoil speed of the rifle.
m/s
(b) If a 650 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle.
m/s

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