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December 20, 2014

Homework Help: Physics

Posted by Priscilla on Monday, January 4, 2010 at 4:36pm.

A 2000-kg truck is raised 15 m in an elevator. What is the increase in its potential energy?

GIVEN:
mg = 2000 kg
h = 15 m

PE = mgh
PE = (2000)(15)
PE = 30,000 J

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