Jawaban:
m=700 gr=0,7 kg
h=40 m
h1=15 m
h2=40-15=25 m
Em1=Em2
Ep1=Em2
mgh=mgh2+Ek
0,7.10.40=0,7.10.25+Ek
280=175+Ek
Ek=280-175=105 J
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Jawaban:
m=700 gr=0,7 kg
h=40 m
h1=15 m
h2=40-15=25 m
Em1=Em2
Ep1=Em2
mgh=mgh2+Ek
0,7.10.40=0,7.10.25+Ek
280=175+Ek
Ek=280-175=105 J