A spaceship is launched into a circular orbit of radius R close to the surface of the earth. The velocity to be imparted to the spaceship in the orbit to overcome the earth.s gravitational pull is (g is acceleration due to gravity)

A spaceship is launched into a circular orbit of radius R close to the

1.	A spaceship is launched into a circular orbit of radius R close to the surface of the earth. The velocity to be imparted to the spaceship in the orbit to overcome the earth.s gravitational pull is (g is acceleration due to gravity)
Answer» 1.414 R g 1.414 `SQRT(GR)` 0.414 R g 0.414 `sqrt(gR)` Answer :B