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Question1

A cardinal (Richmondena cardinalis) of mass 4.00×10-2kg and baseball of mass 0.143kg have the same kinetic energy. What is ratio of the cardinal's magnitude p_c of momentum to the magnitude p_b of the baseball's momentum?

Question2

Ignore the weight of the meter stick and consider only the two weights hanging from its ends. One is a 1-kg weight and the other is a 3-kg weight. Where is center of mass of this system (the point of balance)? How does the answer relate to torque?

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Category:- Physics
Reference No.:- M9134815

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