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a rock is sitting at the top of a hill that is 21 m high. The rock weighs 12 n. calculate the rocks potential energy

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sqdancefan

Answer:

  252 J

Step-by-step explanation:

The potential energy of the rock is the product of its height and its weight:

  PE = (mg)h = (12 N)(21 m) = 252 N·m = 252 J

The rock's potential energy is 252 joules.

cbyassee40

Answer:

yes

Step-by-step explanation:

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