A Cannon of Mass 1,300 Kg Fires a 12-Kg Shell

A cannon of mass 1,300 kg fires a 12-kg shell with a velocity of 150 m/s at an angle of 45° above the horizontal.Find the recoil velocity of the cannon across the level ground.

A) 1.38 m/s
B) 0.98 m/s
C) 0.51 m/s
D) 0.49 m/s
E) ​0.69 m/s