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v = 6m/s
Ek = ....?
Ek =
= 1/2 x 2500 x 6²
= 1250 x 36
= 45000 J
m= 2.5 ton= 2.500 kg
v= 6 m/s
Ditanya:
Ek?
Jawab:
Ek= 1/2 × m × v²
Ek= 1/2 × 2.500 × 6²
Ek= 1/2 × 2.500 × 36
Ek= 2.500 × 18
Ek= 45.000
Jadi, Ek= 45.000 joule