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