Q. A satellite in vacuum - (Solved)
1. is kept in orbit by remote control
2. is kept in orbit by retro-rocket
3. derives energy from gravitational fielod
4. does not require any energy for orbiting
- d. does not require any energy for orbiting
1. is kept in orbit by remote control
2. is kept in orbit by retro-rocket
3. derives energy from gravitational fielod
4. does not require any energy for orbiting