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July 23, 2014

Homework Help: physics

Posted by Anonymous on Friday, October 5, 2012 at 12:17am.

A hockey puck is hit on a frozen lake and starts moving with a speed of 14.4 m/s. 3.0 seconds later, its speed is 7.3 m/s.
(b) What is the average value of the coefficient of kinetic friction between puck and ice?

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