The 20-g bullet is fired horizontally at = 1200 m/s into the 300-g block which rests on...

The 20-g bullet is fired horizontally at = 1200 m/s into the 300-g block which rests on the smooth surface. Determine the distance the block moves to the right before momentarily coming to rest. The spring has a stiffness k = 200 N/m and is originally unstretched.