A satellite of 2150 kg is in the circular orbit 780 km (780 x 103 m) above the surface of the earth.
i) Find out the gravitational force on the satellite due to the earth?
ii) Determine the speed of the satellite in the orbit?
iii) Determine the period of the orbit?
iv) When an identical satellite was launched from Earth to go exterior the solar system, then what would be the escape speed?