For a short time the bucket of the backhoe traces the path
Chapter 12, Problem 12-168(choose chapter or problem)
For a short time the bucket of the backhoe traces the path of the cardioid r = 25(1 cos u) ft. Determine the magnitudes of the velocity and acceleration of the bucket when u = 120 if the boom is rotating with an angular velocity of u # = 2 rad>s and an angular acceleration of u $ = 0.2 rad>s2 at the instant shown.
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