Monday

April 21, 2014

April 21, 2014

Posted by **George** on Tuesday, February 26, 2013 at 10:43am.

The sliding carton skids onto a rough surface and stops in 3 s. Calculate the force of friction it encounters.

- Science -
**Henry**, Thursday, February 28, 2013 at 4:00pmMomentum = m*V = 50 * 2 = 100.

a = (V-Vo)/t = (0-2)/3 = -0.667 m/s^2.

Fk = m*a = 50 * (-0.667) = -33.3 N.

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