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April 24, 2014

Homework Help: physics

Posted by emma on Wednesday, February 2, 2011 at 10:30pm.

Two ice skaters stand at rest in the center of an ice rink. When they push off against one another the 61 kg skater acquires a speed of 0.60 m/s.If the speed of the other skater is 0.90 m/s, what is this skater's mass?

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