Question 1197211: The stress on the material of a large circular metal pipe varies jointly with the internal pressure and the internal diameter of the pipe and inversely with the thickness of the material of the pipe. For a particular type of pipe, the stress is 103 pounds per square inch when the diameter is 4 inches, the thickness is 0.75 inches, and the internal pressure is 27 pounds per square inch.
Find the necessary thickness for a pipe if its diameter is 5 inches, the internal pressure is 32 pounds per square inch, and the pipe needs to be able to handle overall stress of 139 pounds per square inch.
The material of the pipe needs to be inches thick.
{Give at least 3 decimal places}
Answer by josgarithmetic(39616)   (Show Source):
You can put this solution on YOUR website! Joint & Inverse Variation Problem.
Stress, y
Internal pressure, p
Internal diameter, d
Thickness, x
Variation Constant, k
The first sentence in description gives  ;
and the rest is uncomplicated.
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