Question: Two masses (m, = 3.00 kg and m2 = 2.00 kg) are moving in opposite directions with speeds of 15.0 m/s and 10.00 m/s, respectively

Two masses (m, = 3.00 kg and m2 = 2.00 kg) are moving in opposite directions with speeds of 15.0 m/s and 10.00 m/s, respectively and collide head on. If they stick together after the collision, what is the % change in the kinetic energy?

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