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October 26, 2014

Homework Help: Physics

Posted by Charlie on Monday, February 3, 2014 at 5:47pm.

A hockey puck is hit on a frozen lake and starts moving with a speed of 12.2 m/s. Ex- actly 6.70 s later, its speed is 6.20 m/s. The acceleration of gravity is 9.81 m/s2 . a) What is its average acceleration? Answer in units of m/s2

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