In a fireworks display, a rocket is launched from the
Chapter 8, Problem 8.95(choose chapter or problem)
A 7.0-kg shell at rest explodes into two fragments, one with a mass of 2.0 kg and the other with a mass of 5.0 kg. If the heavier fragment gains 100 J of kinetic energy from the explosion, how much kinetic energy does the lighter one gain?
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