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December 19, 2014

Homework Help: Physics

Posted by Kristin on Saturday, April 28, 2012 at 6:24pm.

If a projectile is launched from Earth with a speed equal to the escape speed, how high above the Earth's surface is it when its speed is three-fifths the escape speed?

I keep getting the answer 2.56x10^6 m after solving it a few different ways. Help would be great.

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