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August 29, 2014

Homework Help: physics

Posted by Yuli on Sunday, November 27, 2011 at 11:04pm.

A cable lifts a 1220-kg elevator at a constant velocity for a distance of 39.7 m. What is the work done by the tension in the cable?

can someone help me with this the answer is supposed to be in joules i tried doing it by 1220(9.81)(39.7) = 475137J but that is not the answer can someone please explain it to me?

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