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July 25, 2014

Homework Help: PHYSICS - PLEASE HELP

Posted by Mary on Wednesday, November 28, 2012 at 7:45am.

Part A:
A cardinal (Richmondena cardinalis) of mass 4.5010^−2 kg and a baseball of mass 0.142 kg have the same kinetic energy. What is the ratio of the cardinal's magnitude p(c) of momentum to the magnitude p(b) of the baseball's momentum?

Part B:
A man weighing 650 N and a woman weighing 460 N have the same momentum. What is the ratio of the man's kinetic energy K(m) to that of the woman K(w)?

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