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October 25, 2014

Homework Help: Univ-Phys

Posted by Taylor on Wednesday, October 7, 2009 at 10:00am.

One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 5.0m/s, they then have the same kinetic energy.

What were the original speeds of the two cars?

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