A billiard ball moving at 5.60 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.94 m/s, at an angle of +28.0 degree with respect to the original line of motion. Assuming an elastic collision (and ignoring friction and rotational motion), determine the struck ball velocity after the collision.
m/s (magnitude)
° (with respect to the original line of motion)