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A 150 gram puck sliding west at 2.4 meters/sec on a frictionless table collides and sticks...

A 150 gram puck sliding west at 2.4 meters/sec on a frictionless table collides and sticks to a 250 gram puck that is sliding at 2.9 meter/sec north before the collision. Calculate the kinetic energy of the combination after the collision.

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