A) A cardinal (Richmondena cardinalis) of mass 4.00×10-2 kg and a baseball of mass 0.140 kg have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
B) A man weighing 750 N and a woman weighing 480 N have the same momentum. What is the ratio of the man's kinetic energy to that of the woman ?