Newton's Law of Gravitation can be used to show that if an object weighs w pounds on the surface of the earth, then its weight (for x2R), where R = 3960 miles is the radius of the earth. at a distance x from the center of the earth is W(x): = Estimate the altitude at which a 145-lb pilot would weigh 144.5 lb. (Use decimal notation. Give your answer to two decimal places.) ha miles

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