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25-03-2017
Chemistry

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What is the potential energy of 4kg object sitting on a 3m ledge?

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Floki22 Floki22

25-03-2017

Potential energy (Pe) = m*g*h

m = 4 kg
g = 10 m/s²
h = 3 m

And now:

Pe = 4*10*3

Pe = 120 Joules ou J

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