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m=1 ton=1000 kg
dit: V=...?
Jawab:
Ek=1/2.m.V²
2.10⁵=1/2.1000.V²
V²=2.10⁵/500
V=
Ek=200 kJ = 200.000 J
m= 1 ton= 1000 kg
Ditanya: v=....?
Jawab:
Ek= 1/2 m. v^2
v^2= Ek : 1/2 . m
v^2= 200.000 : 1/2 x 1.000
v^2=200.000 :500
v^2=400
v=
v= 20 m/s.