Dik ma= 2 kg, va= 5 m/s, mb= 1 kg, vb= -10m/s, v'a= -1 m/s
Dit v'b =?
jawab:
ma. vb + mb. vb = ma. v'a + mb. v'b
(2×5)+ (1×-10) = (2×-1)+(1×v'b)
10 -10 = -2 + v'b
0 = -2 + v'b
0+2 = v'b
v'b = 2 m/s
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Dik ma= 2 kg, va= 5 m/s, mb= 1 kg, vb= -10m/s, v'a= -1 m/s
Dit v'b =?
jawab:
ma. vb + mb. vb = ma. v'a + mb. v'b
(2×5)+ (1×-10) = (2×-1)+(1×v'b)
10 -10 = -2 + v'b
0 = -2 + v'b
0+2 = v'b
v'b = 2 m/s