Explorer 18 On November 26, 1963, the United States launched Explorer 18. Its low and

Chapter 10, Problem 111

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Explorer 18 On November 26, 1963, the United States launched Explorer 18. Its low and high points above the surface of Earth were 119 miles and 122,800 miles, respectively (see figure). The center of Earth was at one focus of the orbit. Find the polar equation of the orbit and find the distance between the surface of Earth (assume Earth has a radius of 4000 miles) and the satellite when

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