A mola da figura abaixo está comprimida por dois blocos, A e B, de massas mA =2,0 kg e mB =3,0 kg, sobre um plano horizontal sem atrito, presa por um fio. Quando o fio se rompe, o sistema é solto. Verifica-se que o bloco B adquire velocidade de módulo vB =4,0 m/s. Determine o módulo da velocidade adquirida pelo bloco A.
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A mola da figura abaixo está comprimida por dois blocos, A e B, de massas mA =2,0 kg e mB =3,0 kg, s...
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