silentshimmer said:A rod of mass M, length L, and uniform density and thickness swings around a frictionless pivot at one end of the rod; the other end is free. The rod is held at angle θ below the horizontal and then released with no initial angular velocity, ω0=0. Find the linear acceleration a of the rod's free end immediately after the rod is released.
silentshimmer said:what equations do i need?
Angular velocity is a measure of the rate at which an object rotates or revolves around a fixed axis. It is typically measured in radians per second or degrees per second.
Angular velocity measures the rotational speed of an object, while linear velocity measures the speed of an object in a straight line. Angular velocity takes into account the distance from the axis of rotation, while linear velocity does not.
Angular velocity is affected by the angular displacement, or how far the object has rotated, and the time it takes to rotate. It is also influenced by the moment of inertia, or the object's resistance to rotational motion, and any external forces acting on the object.
Angular velocity and linear speed are related through the radius of rotation. The linear speed of a point on a rotating object is equal to the angular velocity multiplied by the radius of rotation.
Yes, angular velocity can change over time if the rotational speed of the object changes or if the axis of rotation shifts. The change in angular velocity is known as angular acceleration, which is measured in radians per second squared or degrees per second squared.