Question: A disk of 9-in. radius rotates at the constant rate 2 = 12 rad/s with respect to arm CD, which itself rotates at the constant

A disk of 9-in. radius rotates at the constant rate ω2 = 12 rad/s with respect to arm CD, which itself rotates at the constant rate ω1 = 8 rad/s about the Y axis. Determine at the instant shown the velocity and acceleration of point A on the rim of the disk.

Z 7.5 in. 9 in. 18 in.

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