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April 18, 2014

Homework Help: PHYSICS

Posted by kelsey on Wednesday, October 15, 2008 at 12:54am.

On a horizontal frictionless table, masses A and B (3 kg, 6 kg) slide to the right and left, respectively. They have speeds of 3 m/s and 1 m/s, respectively. The two masses collide, and bounce off each other. After the collision, they travel in opposite directions at speeds of 1.5 m/s and 1.250 m/s, respectively.

Calculate the kinetic energy of the A+B system:
before collision:
after collision

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