We got the following:
m = 78kg
h = 6m
g = 9.8 m/[tex] sec^{2} [/tex] ≈ 10 m/[tex] sec^{2} [/tex]
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A = ?
As we know A = Ep = mgh -> potential energy
so the answer would be A = 78 * 6 * 10 = 4680 Joule
