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Assume a crane lifts a 900 kilogram wrecking ball 12 meters above a concrete slab.
105,840 Joules of potential energy are kept in the wrecking ball.
Now the ball is dropped. When the ball is 6 meters above the concrete slab, what is its potential energy in Joules?
Ans- 52,920 Joules
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hi, can you help me with sage homwork about physics
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