The escape velocity of a body on the surface of the Earth is 11.2 km/s. If the mass of the Earth increases to twice its present value and the radius of the earth becomes half, the escape velocity becomes = …… kms-1
A. 5.6
B. 11.2
C. 22.4
D. 494.8
Answer:C
The escape velocity of a body on the surface of the Earth is 11.2 km/s. If the mass of the Earth increases to twice its present value and the radius of the earth becomes half, the escape velocity becomes = …… kms-1
A. 5.6 B. 11.2 C. 22.4 D. 494.8