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24-11-2016
Biology

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An object weighs 100 lb. on the surface of the earth. How much does it weigh 4R from the surface? (5R from the center)

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24-11-2016

You will have the relationF1/F2=r2^2/r1^2where, F1=100r1=Rr2=5RYou are now supposed to find F2

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