A tank is initially at a perpendicular distance BT=360 m from the plane of firing as shown . The enemy tank is moving with a speed of 9 m/s in direction TA as shown in figure. A gun can fire shell in y-z plane only with a speed 100 m/s at an angle of `53^(@)` such that the shell lands at points A. If tank started at t=0 then time interval (in sec) after which shell is to to be fired to hit the tank is

Answer

34