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Unformatted text preview: the angular velocity and angular acceleration of the bar as: = k = 0.2k = k = 0.1k Using the above information we can now write: v B = v A + r B/A = 3i + 0.2k ( 29 2cos i + 2sin j ( 29 = 3i + 0.2 ( 29 2cos ( 29 j + 0.2 ( 29 2sin ( 29i ( 29 = 30.4sin30 ( 29 i + 0.4cos30 ( 29 j = 2.80i + 0.346j ( 29 ft/ sec a B = a A + r B/A + r B/A ( 29 = 4j +0.1k ( 29 2cos i + 2sin j ( 29 + 0.2k ( 29 0.2k ( 29 2cos i + 2sin j ( 29 [ ] = 4j +0.1 ( 29 2cos ( 29 j +0.1 ( 29 2sin ( 29i ( 29 + 0.2k ( 29 0.2 ( 29 2cos ( 29 j + 0.2 ( 29 2sin ( 29i ( 29 [ ] = 4 + 0.2sin30 ( 29 i +0.2cos30 ( 29 j + 0.2 ( 29 2 2cos ( 29i ( 29 + 0.2 ( 29 2 2sin ( 29j ( 29 = 4 + 0.2sin30 0.2 ( 29 2 2cos ( 29 [ ] i +0.2cos30 0.2 ( 29 2 2sin ( 29 [ ] j = 4.03i0.213j ( 29 ft/ sec 2...
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 Fall '09

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