A satellite of mass .m. revolves around the earth of radius R at a height x from its surface. IF .g. is the acceleration due to gravity on the surface of the earth, than the orbital speed of the satellite is

A satellite of mass .m. revolves around the earth of radius R at a hei

1.	A satellite of mass .m. revolves around the earth of radius R at a height x from its surface. IF .g. is the acceleration due to gravity on the surface of the earth, than the orbital speed of the satellite is
Answer» gx `((GR^(2))/(R + X))^(1//2)` `(gR^(2))/(R + x)` `(gR)/(R-x)` ANSWER :B