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OpenStudy (anonymous):
The weight (in pounds) w=f(d) of an object varies inversely as the square of its distance (in thousands of miles) d from the center of Earth. a. An astronaut weighs 150 pounds at sea level (about 4 thousand miles from Earth's center). Find an equation of f. f(d)= 2400/d2 b. How much would the astronaut weigh at 11 thousand miles above Earth's surface?
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