Physics, 30.10.2020 18:10 mathiscool7

A 100 kg mass, initially at rest, is blown apart into a 60 kg piece and a 40 kg piece. After the blast, the two masses are moving apart with a relative velocity of 60 m/s. The speed of the 60 kg mass is

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A 100 kg mass, initially at rest, is blown apart into a 60 kg piece and a 40 kg piece. After the bla...