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Answer to Question #43276 in Other Physics for dinisha

Question #43276
A 30kg girl and a 25kg boy are standing on frictionless roller skates. The girl pushes the boy away who moves at 1.0m/s, the girl's speed is
A. 1.8 m/s
B. 1.2 m/s
C. 0.83 m/s
D. 0.55 m/s
E. 0.45 m/s
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