Daphne is doing some last-minute Christmas shopping, and she cannot find a parking spot at the mall. She starts on the west side of the parking lot and drives east, looking for a spot. When she cannot find one, she drives north. At the northernmost point in the parking lot, Daphne finds a spot. What is her displacement? ​

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.