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An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

What are the theoretical properties of a gas at a temperature of 0 kelvin?

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.