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karna
ek 1/2 m vkuadrat
ek= 1/2 0,4 Kg (11 m/s)
ek=1/2 0.4 121
=24,2 j
Karena rumus energi kinetik = 1/2 X M X V kuadrat
Jadi energi kinetik = 1/2 X 0,4 X 11 kuadrat
= 0,2 X 121
= 24,2 joule