SOLUTION: The equation that I am haveing trouble with is w=Cr^-2 An object weighs 100 pounds when it is a sea level what is the value of c that makes the equation true? Sea level is 3963

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Question 259730: The equation that I am haveing trouble with is w=Cr^-2
An object weighs 100 pounds when it is a sea level what is the value of c that makes the equation true? Sea level is 3963 miles from the center of the earth.

Answer by unlockmath(1688)   (Show Source): You can put this solution on YOUR website!
Hello,
We can plug in the values that we have into the equation like this:
w=Cr^-2
100=C3963^-2 (r represents the radius of earth)
First let's get rid of the negative exponent like this:
100=C/3963^2 Multiply both sides by 3963^2 or 15705369
1,570,536,900=C
RJ
Check out a new book I wrote at:
www.math-unlock.com

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