The energy required to shift a satellite from oribital 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 oribital radius 'r' to r

1.	The energy required to shift a satellite from oribital 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