The energy required to shift a satellite from orbital radius .r. to radius 2r is E. What energy will be required to shift the satellite from orbital radius 2r to 3r?

The energy required to shift a satellite from orbital radius .r. to ra

1.	The energy required to shift a satellite from orbital radius .r. to radius 2r is E. What energy will be required to shift the satellite from orbital radius 2r to 3r?
Answer» E `E//2` `3E//4` `E//3` ANSWER :D