Two geocentric elliptical orbits have common apse lines and their perigees are on the same side of the earth. The first orbit has a perigee radius of r, second orbit r,= 32, 000 km and e = 0.5. (a) Find the minimum total delta-v and the time of flight for a transfer from the perigee of the inner orbit to the apogee of the outer orbit. (b) Do part (a) for a transfer from the apogee of the inner orbit to the perigee of the outer orbit. {Ans.: (a) Avtotal 4.66 h} 7000 km and e 0.3, whereas for the 2.388 km/s, time of flight (TOF) = 16.2 h; (b) Aviotal = 3.611 km/s, TOF = %3D e = 0.5 Earth e = 0.3 A D 7000 km 32,000 km

Two geocentric elliptical orbits have common apse lines and their perigees are on the same side of the earth. The first orbit has a perigee radius of r, second orbit r,= 32, 000 km and e = 0.5. (a) Find the minimum total delta-v and the time of flight for a transfer from the perigee of the inner orbit to the apogee of the outer orbit. (b) Do part (a) for a transfer from the apogee of the inner orbit to the perigee of the outer orbit. {Ans.: (a) Avtotal 4.66 h} 7000 km and e 0.3, whereas for the 2.388 km/s, time of flight (TOF) = 16.2 h; (b) Aviotal = 3.611 km/s, TOF = %3D e = 0.5 Earth e = 0.3 A D 7000 km 32,000 km

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.48P: Find the smallest distance d for which the hook will remain at rest when acted on by the force P....

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