SOLUTION: The radius of the earth is approximately 4000 miles. If a person weighs 160 pounds on the earth's surface, what would this individual weigh 8000 miles above the surface of the eart

Question 976694: The radius of the earth is approximately 4000 miles. If a person weighs 160 pounds on the earth's surface, what would this individual weigh 8000 miles above the surface of the earth.
Please explain the answer to this question.
Thanks!
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Your weight is a measure of the attractive force between you and the Earth and is inversely proportional to the square of your distance from the center of the Earth.

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The radius of the earth is approximately 4000 miles. If a person weighs 160 pounds on the earth's surface, what would this individual weigh 8000 miles above the surface of the earth.
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8000 miles AGL = 12000 miles from the center.
3 times the distance --> 1/9 the weight.
--> 160/9 pounds

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