The minimum speed with which a body must be thrown to reach a height R/4 above the surface of the earth is (R —> Radius of the earth)

The minimum speed with which a body must be thrown to reach a height R

1.	The minimum speed with which a body must be thrown to reach a height R/4 above the surface of the earth is (R —> Radius of the earth)
Answer» `sqrt((GR)/2)` `sqrt(gR)` `sqrt((2gR)/5)` `sqrt((gR)/5)` Answer :C