JEE Main Physics question
A particle of mass is thrown upwards from the surface of the earth, with a velocity . The mass and the radius of the earth are, respectively, and , is the gravitational constant and is the acceleration due to gravity on the surface of the earth. The minimum value of so that the particle does not return back to earth is
Answer: (C)
Solution
Not returning means escaping, so . Hence option (C) is correct.