February 26, 2017

Homework Help: Physics (algebra bit)

Posted by Kate on Monday, January 11, 2010 at 6:31pm.

I do not see how to do this problem

One car has twice the mass of a second car, but only half a smuch kinetic energy. when both cars increase their speads by 7.0 m/s, they then have the sam kinetic energy. What were the original speeds of the cars?

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