Multiple Choice
A boy and girl on ice skates face each other.The girl has a mass of 20 kg and the boy has a mass of 30 kg.The boy pushes the girl backward at a speed of 3.0 m/s.As a result of the push,the speed of the boy is
A) zero
B) 2.0 m/s
C) 3.0 m/s
D) 4.5 m/s
E) 9.0 m/s
Correct Answer:

Verified
Correct Answer:
Verified
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