The escape velocity of an object of mass M from the surface of earth is v m/s. Then the value of escape velocity of a mass 2M from a planet of diameter 4 times that of earth is :
A√2v m/s
Bv m/s
C2 v m/s
D4 v m/s
A√2v m/s
Bv m/s
C2 v m/s
D4 v m/s
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