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of the center B of the pulley for the following conditions: 0 = 16°, 0 = 5 deg/sec, 0 = 8 de The quantities I and I are the first and second time derivatives, respectively, of the lengt ectors in the e, and eg directions.

of the center B of the pulley for the following conditions: 0 = 16°, 0 = 5 deg/sec, 0 = 8 de The quantities I and I are the first and second time derivatives, respectively, of the lengt ectors in the e, and eg directions.

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The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and acceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 5 deg/sec, 0 = 8 deg/sec?, 1 = 12 ft, 1 = 2.0 ft/sec, i = -5.3 ft/sec2. The quantities l and l are the first and second time derivatives, respectively, of the length I of section AB. Express your answers as vectors in the e, and ee directions. B 30' A Answers: VR = е, + i ee) ft/sec aR = i e, + i eg) ft/sec2
Transcribed Image Text:The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and acceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 5 deg/sec, 0 = 8 deg/sec?, 1 = 12 ft, 1 = 2.0 ft/sec, i = -5.3 ft/sec2. The quantities l and l are the first and second time derivatives, respectively, of the length I of section AB. Express your answers as vectors in the e, and ee directions. B 30' A Answers: VR = е, + i ee) ft/sec aR = i e, + i eg) ft/sec2
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