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Ek = 1/2 x 1000 x 10²
Ek = 500 x 100
Ek = 50000
Ek = 50 Kj
harusnya gitu tapi kok g ada jawabannya??
2
= 1000 kg.10 m/s²
2
= 50.000 J
= 50.000 J = ... KJ
= 50.000 : 1.000
= 50 KJ (b)