SOLUTION: The load that can be supported by a rectangular beam varies jointly as the width of the beam and the square of its​ height, and inversely as the length of the beam. A beam 14
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Question 1041032: The load that can be supported by a rectangular beam varies jointly as the width of the beam and the square of its height, and inversely as the length of the beam. A beam 14 feet long, with a width of 6 inches and a height of 4 inches can support a maximum load of 900 pounds. If a similar board has a width of 8 inches and a height of 5 inches, how long must it be to support 1400 pounds?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Substituting to find ,
So then,
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