Posted by **Prue** on Monday, January 3, 2011 at 11:30am.

Select all that apply.

A 0.200-kilogram ball sits on a shelf 2.00 meters from the floor and then falls to a point 1.00 meter from the floor. Ignoring any affects due to friction, at this position _____.

1) its mechanical energy is 3.92 J

2) its potential energy is 3.92 J

3) its kinetic energy is 3.92 J

4) its potential energy is 1.96 J

5) its kinetic energy is 1.96 J

6) its mechanical energy is 1.96 J

what are the formulas for this??

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