Homework Help: Physics

Posted by Gina on Tuesday, September 21, 2010 at 1:12pm.

Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars increase their speed by 4.54 m/s, they then have the same kinetic energy. Calculate the original speeds of the two cars.
first car 1
second car 2

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