The escape velocity of a body on the surface of the earth is 11.2 km – McqOptions

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1.	The escape velocity of a body on the surface of the earth is 11.2 km/s. If the earth's mass increases to twice its present value and the radius of the earth becomes half, the escape velocity would become [CBSE PMT 1997]
A.	5.6 km/s
B.	11.2 km/s (remain unchanged)
C.	22.4 km/s
D.	44.8 km/s
Answer» D. 44.8 km/s

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