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Problem 17.78x Two cylinders are attached to the ends of a cord wnich passes over a 35 lb pulley (disk) of radius, R 06 ft fixed at the point, O. The inextensible cord does not slip on the pulley. The cylinder on the nght has a weight of 8.5 lb while the cylinder on the left has a weight of 55 lb Neglect the mass of the cord Suggestiori. Analyze he Esyslem consisting of bolh the cylinders and the pulley. Part A Determine the angular acceleration of the pulley (indicating its direction by the sign ヨcounterclockwise direction being positive Express your answer to three significant figures and include the appropriate units. (Figure 1) alue Units Figure 1 of 1 Submit Part B If the initial velocity of the cyinder on the right is 1 2 ft/s in the downward direction what is its speed after it has fallen 티 distance of 1.6 ft ? Value Units Submit

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