vicky-ward_60be0b412ab38
vicky-ward_60be0b412ab38
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m1 = 80 kg m2 = 20 kg v = 4 m/s m = 2 kg Cálculo da energia cinética inicial: Eci = (m1 + m2)v²/2 Cálculo da energia cinética final: Ecf = (m1 + m2 + m)V²/2 Ecf = Eci (m1 + m2)v²/2 = (m1 + m2 + m)V²/2 (m1 + m2)v² = (m…