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Octet Rule

In the arrang...

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In the arrangement of rigid links of equal length 1, theycan freely rotate about the joined ends as shown in the figure-1.138. If the end Uis pulled horizontally with constant speed 20m/s, find the approx. speed ofend P when the angle SUT is 90^° .PRUQTFigure 1.138(A) 5 m/s(C) 7.1 m/s(В) 10m/s(D) 14.12 m/s

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