An artificial satellite revolves around the Earth with a constant velocity. It’s the statement true ?

A satellite revolving around the earth is

For a satellite revolving around the earth

A satellite revolves around the Earth in an elliptical orbit. Its speed.

A goestationary satellite revolves around the earth from

Artificial satellite moving around the earth is just like a

A satellite revolves around the earth in an elliptical orbit. Its speed is

A satellite revolves around the earth in an elliptical orbit. Its speed is

An artificial satellite is revolving round the Earth in a circular orbit, its velocity is half the eacape velocity. Its height from the Earth surface is ......... km.