A space-ship is launched into a circular orbit close to the earth's surface. What additional velocity has now to be imparted to the space-ship in the orbit to overcome the gravitational pull? (Radius of the earth 
).
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
A
Orbital velocity near earth's surface, 
Escape velocity, 
Additional velocity required
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