Determine its angular velocity after it has rotated through

Reference no: EM13561602

A slender 9 lb rod can rotate in a vertical plane about a pivot at b. a spring of constant k=30 lb/ft and of unstretched length is 6in is attached to the rod as shown. knowing that the rod is released from rest in the position shown, determine its angular velocity after it has rotated through 90 degrees.

I with bar above it = 0.093168 slug ft^2

Reference no: EM13561602

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