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Physics, 26.10.2019 02:43 Lilbre9444
If a projectile is launched vertically from the earth with a speed equal to the escape speed, how high above the earth's surface is it when its speed is half the escape velocity
.5mv^2 -(gmm)/r= .5m(v/2)^2-(gmm)/r
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If a projectile is launched vertically from the earth with a speed equal to the escape speed, how hi...
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