A battleship that is  6.00 X 10^7 kg and is originally at re…

A battleship that is  6.00 X 10^7 kg and is originally at rest fires a 1100-kg artillery shell horizontally with a velocity of 575 m/s. If the shell is fired straight aft (toward the rear of the ship), there will be negligible friction opposing the ship’s recoil. Calculate its recoil velocity.