The velocity with which a body should be projected from the surface of the earth such that it reaches a maximum height equal to n times the radius R of the earth is

The velocity with which a body should be projected from the surface of

1.	The velocity with which a body should be projected from the surface of the earth such that it reaches a maximum height equal to n times the radius R of the earth is
Answer» `sqrt((N)/(n+_1)(GM)/(R))` `s sqrt((NGM)/(R ))` `sqrt((2n)/(n+1)(GM)/(R ))` ANSWER :C