Answer to Question #187305 in Physics for Charles

Question #187305

The radius of the earth is about 6370km. An object that has a mass of 20kg is taken to a height of 160km above the earth surface. (a) How much does the object weigh

Expert's answer

"W=mg\\frac{R^2}{(R+h)^2}\\\\W=(20)(9.8)\\frac{6370^2}{(6370+160)^2}=186.5\\ N"

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