The beam has a weight of 1300 lb and is being raised to a vertical position by pulling very slowly on its bottom end A.(Eigure 1) If the cord fails when 0= 70° and the beam is essentially at rest, determine the speed of A at the instant cord BC becomes vem Neglect friction and the mass of the cords, and treat the beam as a slender rod. Express your answer with the appropriate units. VA 10.9 μÁ ft ?

Elements Of Electromagnetics
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The beam has a weight of 1300 lb and is being raised to a
vertical position by pulling very slowly on its bottom end
A.(Figure 1)
If the cord fails when 0= 70° and the beam is essentially at rest, determine the speed of A at the instant cord BC becomes vertical.
Neglect friction and the mass of the cords, and treat the beam as a slender rod.
Express your answer with the appropriate units.
VA 10.9
Figure
HÅ
B
ft
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7 ft
S
?
13 ft
12 ft
1 of 1
Transcribed Image Text:The beam has a weight of 1300 lb and is being raised to a vertical position by pulling very slowly on its bottom end A.(Figure 1) If the cord fails when 0= 70° and the beam is essentially at rest, determine the speed of A at the instant cord BC becomes vertical. Neglect friction and the mass of the cords, and treat the beam as a slender rod. Express your answer with the appropriate units. VA 10.9 Figure HÅ B ft You have already submitted this answer. Enter a new answer. No credit lost. Try again. 7 ft S ? 13 ft 12 ft 1 of 1
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