The various dimensions of the mechanism, as shown in Fig.2.23(a), are \(O A=120 \mathrm{~mm}, A B=500 \mathrm{~mm}\), \(B C=120 \mathrm{~mm}, C D=300 \mathrm{~mm}\), and \(D E=150 \mathrm{~mm}\). The crank \(O A\) rotates at \(150 \mathrm{rpm}\). The bell crank lever is DE. Determine the absolute velocity of point \(E\).

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45 T 200 400 (a) Configuration diagram 90 E Vbay bl Vab (b) Velocity diagram o,d