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Unformatted text preview: k . If the bar is released from rest when it is vertical at = 90 , determine its angular velocity at the instant = 0 . Use the prinicple of work and energy. Given: W 10 lb = k 5 lb ft rad = a 1 ft = g 32.2 ft s 2 = Solution: 90 deg = f 0 deg = 595...
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- Spring '08