For a satellite to orbit around the earth, which of the following must be true?

The KE of a satellite in its orbit around the earth is E. The KE of the satellite so as to enable to escape from gravitational pull of the earth is

A satellite is moving in an orbit around the earth due to

A satellite is moving in an orbit around the earth due to

For a satellite moving in an orbit around the earth, the ratio of kinetic energy of potential

For a satellite moving in an orbit around the earth, ratio of kinetic energy to potential energy is