Homework Help: physical science

Posted by norma on Tuesday, June 28, 2011 at 11:00am.

There are two set pieces in a theater sitting on platforms with wheels. One is a tree with a mass of 50 kg. It is moving at 3 m/s. The other is a fence with a mass of 30 kg. If the two set pieces have equal momentum, how fast is the fence moving

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