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December 28, 2014

Homework Help: physics

Posted by marissa! on Thursday, January 12, 2012 at 8:24pm.

Please help! it has to do with momentum
A 70 k/g woman and her 35 k/g son are standing at rest on an ice rink. They push against each other for .60 s, causing them to glide apart. The speed of the woman immediately after they seperate is .55 m/s

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