A satellite is placed in a circular polar orbit a distance H above the earth. As the

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A satellite is placed in a circular polar orbit a distance H above the earth. As the satellite goes over the north pole at A, its retro-rocket is activated to produce a burst of negative thrust which reduces its velocity to a value which will ensure an equatorial landing. Derive the expression for the required reduction ΔvA of velocity at A. Note that A is the apogee of the elliptical path.

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Engineering Mechanics Dynamics

ISBN: 9781118885840

8th Edition

Authors: James L. Meriam, L. G. Kraige, J. N. Bolton

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