Contrary to Advice Given Him,a Boy Tries Bowling on the Ice.He

Multiple Choice

Contrary to advice given him,a boy tries bowling on the ice.He releases his 7.3-kg bowling ball when he is sliding at 2.0 m/s,and the ball travels subsequently down the ice at 13 m/s.If,after releasing the ball,the boy is moving backward from his original direction of motion at 0.25 m/s,what is the boy's mass?

A) 36 kg
B) 50 kg
C) 47 kg
D) 64 kg