The collar at O and attached shaft OC rotate about the fixed x₀-axis at the constant rate Ω = 4 rad/s. Simultaneously, the circular disk rotates about OC at the constant rate p = 10 rad/s. Determine the magnitude of the total angular velocity w of the disk and fi nd its angular acceleration a.

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y 400 mm A 300 mm 2 = 4 rad/s p = 10 rad/s