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December 21, 2014

Homework Help: Physics-Gravitation

Posted by Jessica on Sunday, January 2, 2011 at 4:50pm.

What is the gravitational potential energy of a two-particle system with masses 5.4 kg and 5.0 kg, if they are separated by 1.3 m? If you triple the separation between the particles, how much work is done (b) by the gravitational force between the particles and (c) by you?

Please help me. i figured out how to get part a but part b and c i am confused on.

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