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Ep=10.9,8.5
Ep=98.5
Ep=500 J
Ek=1/2.m.v pangkat 2
Ek=1/2.10.7 pangkat 2
Ek=1/2.10.49
Ek=5.49
Ek=245 J
Em=Ep+Ek
Em=500+245
Em=745 J
Em= m x g x h + m x
Jawab: Em= Ep + Ek
Em= 10 kg x 9,8 m/ x 5 m + 10kg x
Em= 490 joule + 245 joule
Em= 735 Joule