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hellothere2 hellothere2
wrote...
5 years ago
A 30-kg girl on friction-free roller blades pushes away a 25-kg boy also on roller blades at 1 m/s. The girl's speed is
A) 0.45 m/s.
B) 0.55 m/s.
C) 0.83 m/s.
D) 1.2 m/s.
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Answer verified by a subject expert
Reneshadawkins@Reneshadawkins@
wrote...
Posts: 216
5 years ago
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