The escape velocity from the earth is about 11 km/second. The escape v – McqOptions

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1.	The escape velocity from the earth is about 11 km/second. The escape velocity from a planet having twice the radius and the same mean density as the earth, is [NCERT 1980; MP PMT 1987; MP PET 2001, 2003; AIIMS 2001; UPSEAT 1999]
A.	22 km/sec
B.	11 km/sec
C.	5.5 km/sec
D.	15.5 km/sec
Answer» B. 11 km/sec

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