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kady kady
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3 weeks ago

A 120 kg mass, initially at rest, is blown apart into an 80 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 total kinetic energy after the explosion is



21 kJ.



35 kJ.



48 kJ.



56 kJ.



82 kJ.

Textbook 
College Physics

College Physics


Edition: 5th
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Hollywood1971Hollywood1971
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