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Find the angular velocity of A with resp...

Find the angular velocity of `A` with respect to `B` in (Fig. 5.156).
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Angular velocity of `A` with respect to `B` ,
`omega_(A B) = ((V_(A B))_|_)/(r_(A B))`
`rArr (V_(A B))_|_ = V_A sin theta_1 + V_B sin theta_2`
`rArr r_(A B) = r`
`omega_(A B) = (v_A sin theta_1 + v_B sin theta_2)/( r)`.
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