The figure shows the cross section of a uniform 177-lb ventilator door hinged about its upper horizontal edge at O. The door is controlled by the spring-loaded cable which passes over the small pulley at A. The spring has a stiffness of 12.4 lb per foot of stretch and is undeformed when - 0. If the door is released from rest in the horizontal position, determine the maximum angular velocity reached by the door and the corresponding angle 8. 5.5 Answer: @mai 14.059 rad/sec at 0-i 86.325
The figure shows the cross section of a uniform 177-lb ventilator door hinged about its upper horizontal edge at O. The door is controlled by the spring-loaded cable which passes over the small pulley at A. The spring has a stiffness of 12.4 lb per foot of stretch and is undeformed when - 0. If the door is released from rest in the horizontal position, determine the maximum angular velocity reached by the door and the corresponding angle 8. 5.5 Answer: @mai 14.059 rad/sec at 0-i 86.325
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Transcribed Image Text:The figure shows the cross section of a uniform 177-lb ventilator door hinged about its upper horizontal edge at O. The door is
controlled by the spring-loaded cable which passes over the small pulley at A. The spring has a stiffness of 12.4 lb per foot of stretch
and is undeformed when -0. If the door is released from rest in the horizontal position, determine the maximum angular velocity
reached by the door and the corresponding angle 8.
Answer: @max
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5.5.
14.059
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86.325
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