Question

The escape velocity of an object of mass M from the surface of earth is v m/s. Then the value of escape velocity of a mass 2M from a planet of diameter 4 times that of earth is :

• A. √2v m/s
• B. v m/s
• C. 2 v m/s
• D. 4 v m/s

Answer 1

Answer:

C. 2 v m/s