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m = 5 kg
v = 8 m/s
ditanya EK
EK = 1/2. m .v kuadrat
EK = 1/2 . 5 . 8 kuadrat
EK = 1/2 . 5 . 64
EK = 160 joule
2. diket
h = 5m
g = 10m/s kuadrat
m = 1 kg
ditanya EP
EP = m . g . h
EP = 1 . 10 . 5
EP = 50 joule
= 1/2.5kg.8m/s2
= 2,5kg.64m2/s2
= 160 Joule
EP = m.g.h
= 1kg.10m/s2.5m
= 50 Joule