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15-02-2016
Chemistry

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calculate the potential energy of a rock with a mass of 55 kg while sitting on a cliff that is 27 m high

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Аноним Аноним

15-02-2016

PE = mgh.

PE = Potential energy
M = mass
G = gravity
H = height

Now plug in the numbers.

PE = 55 * 9.8 m/s^2 * 27
PE = 539 * 27
PE = 14553

Answer: Potential energy is 14,553 Joules

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