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Verified answer
Diket :m = 3 ton = 3000 kg
h = 1000 km = 10^6 m
g = 9,8 m/s^2
Tanya :
Usaha, W = __?
Jawab :
W = delta Ep
W = m.g.h
W = 3000•9,8•10^6
W = 29,4 x 10^9 J
W = 2,94 x 10^10 J
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