Q. In a ballistics test, a 23-g bullet travelling horizontally at 1300 m/s goes through a 40.0 cm-thick 450-kg stationary target and emerges with a speed of 900m/s. The target is free to slide on a smooth horizontal surface.
Q. Three ropes are attached to a small ring. Two of the ropes are attached to walls at right angles with tensions of 80 N north walls, 50-N west walls. What are the magnitude and direction of the tension of third rope?