The disk of weight W is rotating about pin A in the vertical plane with an angular velocity ω₁ when θ = 0^°. Determine its angular velocity at the instant shown, θ = 90 deg. Also, compute the horizontal and vertical components of reaction at A at this instant.

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Given: W = 15 lb 001 = 2 rad S 9 = 90 deg r = 0.5 ft 8 = 32.2 2 S G (0)