Given mass of the moon is 1/81 of the mass of the earth and correspond – McqOptions

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1.	Given mass of the moon is 1/81 of the mass of the earth and corresponding radius is 1/4 of the earth. If escape velocity on the earth surface is 11.2 km/s, the value of same on the surface of the moon is [CPMT 1997; AIIMS 2000; Pb. PMT 2001]
A.	0.14 km/s
B.	0.5 km/s
C.	2.5 km/s
D.	5 km/s
Answer» D. 5 km/s

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