The door of an automobile is initially open and perpendicular to the body. The automobile accelerates at 2 ft/s² and the door width is 30 inches. Treat the door as a uniform rectangle and neglect friction. The speed of its outer edge, as seen by the driver when the door closes, is √n ft/s. Find n.
Physics · Rotational Motion · question based on pure rotation about fixed axis
The door of an automobile is initially open and perpendicular to the body. The automobile accelerates at 2 ft/s² and the door width is 30 inches. Treat the door as a uniform rectangle and neglect friction. The speed of its outer edge, as seen by the driver when the door closes, is √n ft/s. Find n.