An earth satellite of mass 700 kg is launched into a
Chapter 15, Problem 15-113(choose chapter or problem)
An earth satellite of mass 700 kg is launched into a free-flight trajectory about the earth with an initial speed of vA = 10 km>s when the distance from the center of the earth is rA = 15 Mm. If the launch angle at this position is fA = 70, determine the speed vB of the satellite and its closest distance rB from the center of the earth. The earth has a mass Me = 5.976(1024 ) kg. Hint: Under these conditions, the satellite is subjected only to the earths gravitational force, F = GMems>r 2 , Eq. 131. For part of the solution, use the conservation of energy
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