A 40-Kg Girl,standing at Rest on the Ice,gives a 60-Kg

question 73

Multiple Choice

A 40-kg girl,standing at rest on the ice,gives a 60-kg boy,who is also standing at rest on the ice,a shove.After the shove,the boy is moving backward at 2.0 m/s.Ignore friction.The girl's speed is

• A)zero
• B)1.3 m/s
• C)2.0 m/s
• D)3.0 m/s
• E)6.0 m/s