Two satellites are in circular orbits around the earth. The orbit for satellite A is at...
Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 502 km above the earth’s surface, while that for satellite B is at a height of 747 km. Find the orbital speed for (a) satellite A and (b) satellite B.
Homework Answers
R = radius of earth = 6371 km
mass of earth M = 5.98*10^24 kg
hA = 502 km , hB = 747 km
orbital speed v = (GM/(R+h))^0.5
(a) vA = (6.67*10^-11*5.98*10^24/(6371000+502000))^0.5
vA = 7.618 km/s
(b) vB = (6.67*10^-11*5.98*10^24/(6371000+747000))^0.5
vB = 7.486 km/s
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