At a certain height a shell at rest explodes into two equal fragments. One of the fragments receives a horizontal velocity u. The time interval after which, the velocity vectors will be inclined at 120^@to each other is

At a certain height a shell at rest explodes into two equal fragments.

1.	At a certain height a shell at rest explodes into two equal fragments. One of the fragments receives a horizontal velocity u. The time interval after which, the velocity vectors will be inclined at 120^@to each other is
Answer» `(U)/(SQRT3 G)` `(sqrt3u)/(g)` `(2U)/(sqrt3g)` `(u)/(2sqrt3g)` ANSWER :A