A 40 kg girl standing at rest on the ice gives a 60 kg boy
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 m/s. What is the girl's speed?
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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
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