Posted by **myschic** on Monday, February 23, 2009 at 7:56pm.

Which of the following contains the most mechanical energy?

A 10 kg ball at the top of a hill 10 meters high

A 5 kg ball rolling with a velocity of 12 m/s

A 10 kg ball rolling with a velocity of 5 m/s

A 5 kg ball at the top of a hill 10 meters high

HELPS PLEASE!!!!

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