The escape velocity of a body on the surface of the Earth is 11.2km/s If the mass of the Earth is increase to twice its present value and the radius of the earth becomes half, the escape velocity becomes= ……"kms"^(-1)

The escape velocity of a body on the surface of the Earth is 11.2km/s

1.	The escape velocity of a body on the surface of the Earth is 11.2km/s If the mass of the Earth is increase to twice its present value and the radius of the earth becomes half, the escape velocity becomes= ……"kms"^(-1)
Answer» 5.6 22.4 7.6 8.6 Solution :`v_(E) = SQRT((2GM)/(R))`