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Answer to Question #157117 in Mechanics | Relativity for Keleko

Question #157117
A body of mass m wants to leave completely from the earths gravitational attraction, find the minimum speed it requires at the earth surface (escape velocity)
1
Expert's answer
2021-01-31T15:11:46-0500
"KE=PE,""\\dfrac{1}{2}mv^2=\\dfrac{GM_Em}{R_E},""v_{escape}=\\sqrt{\\dfrac{2GM_E}{R_E}}."

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