Astro
posted by Ryrya .
What is the distance in meters from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/20 of its value at the Earth's surface?

g at earths surface=GMe/re^2
1/20 g= GMe/r^2= g(1/(r/re)^2
(r/re )^2= 20
solve for r.
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