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13-11-2019
Physics

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& rock is at the top of a 20 meter tall hill. The rock has a mass of 10 kg. How much potential energy does it have?

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ad2003ez ad2003ez

13-11-2019

Answer:

2000 J

Explanation:

10 × 10 × 20 = 2000

mass × gravitational field strength × height

Earth gravitational field strength is 10N/kg

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