A spaceship of mass \(2 \times 10^4 kg\) is launched into a circular orbit close to the earth surface. The additional ve…

A spaceship of mass \(2 \times 10^4 kg\) is launched into a circular orbit close to the earth surface. The additional velocity to be imparted to the spaceship in the orbit to overcome the gravitational pull will be (if \(g=10 m / s ^2\) and radius of earth \(=6400 km )\)