Jawabanmu

2014-02-12T20:46:11+07:00
Rumus sama dengan energi patensial
W = mgh
1/2 mv" = mgh
1/2 (0,5 kg)(10") = (0,5)(10)(h)
h = 5 m
W = mgh
W = 0,5 * 10 * 5
W = 25 Joule
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