February 23, 2017

Homework Help: physics

Posted by pinky on Monday, November 7, 2011 at 7:46pm.

i need help i don't understand how to do this problem so please help me.

A student lifts a 5kg chair 0.8m off the floor, walks at a constant speed for a distance 10m, and then puts the chair back down on the floor. calculate the total amount of work done on the chair.

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