If the 1.2-kg uniform slender bar is released from rest in the position = 0 where

If the 1.2-kg uniform slender bar is released from rest in the position θ = 0 where the spring is unstretched, determine and plot its angular velocity as a function of θ over the range 0 ≤ θ ≤ θ_max, where θ_max is the value of θ at which the bar momentarily comes to rest. The value of the spring constant k is 100 N /m, and friction can be neglected. State the maximum angular speed and the value of θ at which it occurs.

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B 0.6 m A 1.2 kg 0.6 m 0.2 m wwwm