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The weight of an object follows this equation w Cr^-2, ...

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The weight of an object follows this equation w=Cr^-2, where C is a constant, and r is the distance that the object is from the center of the earth. (Hint for assignment: Pay attention to the units of measure. You may have to convert from feet to miles. You can use 1 mile= 5,280 feet for you conversations.                                       &n bsp;                                   a. Solve the equation w=Cr^-2 for r                                         &nb sp; b. suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation true (Sea level is 3,963 miles from the center of the earth)
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