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August 23, 2014

Homework Help: physics

Posted by luc on Tuesday, October 13, 2009 at 3:43am.

A box of books weighing 280 N is shoved across the floor of an apartment by a force of 390 N exerted downward at an angle of 35.1 below the horizontal. If the coefficient of kinetic friction between box and floor is 0.57, how long does it take to move the box 4.00 m, starting from rest?

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