In the following problems, except where otherwise indicated, assume that the radius of the earth is 6378 km, the earth's mass is 5.976(1024) kg, the mass of the sun is 1.99(1030) kg, and the gravitational constant is G = 66.73(10−12)m3/(kg • s2).
A rocket is in circular orbit about the earth at an altitude above the earth’s surface of h = 4 Mm. Determine the minimum increment in speed it must have in order to escape the earth’s gravitational field.
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