While describing a circular orbit, 185 mi above the surface of the earth, a space shuttle ejects at point A an inertial upper stage (IUS) carrying a communications satellite to be placed in a geosynchronous orbit (see Prob. 13.87) at an altitude of 22,230 mi above the surface of the earth. Determine (a) the velocity of the IUS relative to the shuttle after its engine has been fired at A,( b) the increase in velocity required at B to place the satellite in its final orbit.Reference to Problem 13.87: B.185 miR = 3960 mi22,230 mi While describing a circular orbit 200 mi above the earth, a spacevehicle launches a 6000-lb communications satellite. Determine(a) the additional energy required to place the satellite in a geosyn-chronous orbit at an altitude of 22,000 mi above the surface of theearth, (b) the energy required to place the satellite in the same orbitby launching it from the surface of the earth, excluding the energyneeded to overcome air resistance. (A geosynchronous orbit is acircular orbit in which the satellite appears stationary with respectto the ground.)

Write down the given relevant data: Here, R is the radius of the earth.

Answered: B. 185 mi R = 3960 mi 22,230 mi While…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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While describing a circular orbit, 185 mi above the surface of the earth, a space shuttle ejects at point A an inertial upper stage (IUS) carrying a communications satellite to be placed in a geosynchronous orbit (see Prob. 13.87) at an altitude of 22,230 mi above the surface of the earth. Determine (a) the velocity of the IUS relative to the shuttle after its engine has been fired at A,( b) the increase in velocity required at B to place the satellite in its final orbit.
Reference to Problem 13.87:

While describing a circular orbit 200 mi above the earth, a space
vehicle launches a 6000-lb communications satellite. Determine
(a) the additional energy required to place the satellite in a geosyn-
chronous orbit at an altitude of 22,000 mi above the surface of the
earth, (b) the energy required to place the satellite in the same orbit
by launching it from the surface of the earth, excluding the energy
needed to overcome air resistance. (A geosynchronous orbit is a
circular orbit in which the satellite appears stationary with respect
to the ground.)

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