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January 30, 2015

January 30, 2015

Posted by **Anonymous** on Saturday, November 7, 2009 at 11:43am.

What is the gravitational potential energy of the ball relative to the floor?

(c) What is the gravitational potential energy of the ball relative to a point at the same elevation as the ball?

- physics -
**drwls**, Saturday, November 7, 2009 at 3:17pmFor each of your questions, the gravitational P.E. is M g times the distance of the ball above the reference plane. "g" is the acceleration of gravity.

That distance is zero for part (c).

Now you calculate the others. One answer will be negative, if done correctly.

The answers should be in Joules.

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