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A 9.00 kg object is moving to the left with a speed 9.00 m/s. Another 9.00...

A 9.00 kg object is moving to the left with a speed 9.00 m/s. Another 9.00 object is moving to the right with a speed of 9.00 m/s. The two objects collide and stick together. The magnitude of the loss in the kinetic energy because of the collision, in Joules, is:

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