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A rock weighing 98 newtons is pushed off the edge of a bridge 50 meters above the ground. What was the potential energy of the rock before it began to fall?

A rock weighing 98 newtons is pushed off the edge of a bridge 50 meters above the ground. What was the potential energy of the rock before it began to fall?
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5 votes
A rock weighing 98 newtons is pushed off the edge of a bridge 50 meters above the ground. What was the potential energy of the rock before it began to fall?

asked
User Sreenath Nannat
by
7.9k points

1 Answer

3 votes
Ep = mgh

Ep = 98 * 50

Ep = 4900
answered
User TejaDroid
by
8.3k points
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