Two earth satellites A and B each of equal mass are to be launched into circular orbits about
earth’s center. Satellite ‘A’ is to orbit at an altitude of 6400 km and B at 19200 km. The radius of the earth is 6400 km. Determine-
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
= 
= 2 
= 
= 2
B is having more energy.
Sol. 
= 
= 
r B = 19200 + 6400 = 25600 Km
r A = 6400 + 6400 = 12800 km, m A = m B
= 
= 2
= 
= 
= 2
As T.E. = 
,
Clearly farther the satellite from the earth, the greater is its total energy. Thus B is having more energy.
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