A rock at the edge of a cliff has 10 Joules of potential energy. A goat comes along and kicks the rock off the edge. At the moment right before the rock hits the ground about how much kinetic energy does it have? (remember, a Joule is the SI unit for measuring energy).
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A rock at the edge of a cliff has 10 Joules of potential energy. A goat comes along and kicks the ro...
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