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August 23, 2014

Homework Help: physics

Posted by Brittany on Sunday, June 26, 2011 at 9:11pm.

A 3 kg toy car with a speed of 10 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 3 m/s. If the cars are locked together after the collision with a speed of 4.80 m/s, how much kinetic energy is lost?

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