A gun is mounted on a gun-carriage, movable on a smooth horizontal plane with gun elevated at an angle alpha to the horizontal. Given the mass of the gun-carriage system is 'n' times that of the shot and acceleration due to gravity is 'g'. A shot is fired and leaves the gun. If 'u' is the velocity of the shot relative to the gun (along the barrel), then the velocity of recoil of the recoil of gun-carriage is

A gun is mounted on a gun-carriage, movable on a smooth horizontal pla

1.	A gun is mounted on a gun-carriage, movable on a smooth horizontal plane with gun elevated at an angle alpha to the horizontal. Given the mass of the gun-carriage system is 'n' times that of the shot and acceleration due to gravity is 'g'. A shot is fired and leaves the gun. If 'u' is the velocity of the shot relative to the gun (along the barrel), then the velocity of recoil of the recoil of gun-carriage is
Answer» `(U)/(n+1)` `(u COS alpha)/(n+1)` `(u)/((n+1)cos alpha)` `(u sin alpha)/(n+1)` ANSWER :B