SOLUTION: A pipe 11 m long and of radius r = 5 cm is to be coated by insulation material to a thickness of δr = 1 mm. Approximate the volume δV of insulation material required in m
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Question 988130: A pipe 11 m long and of radius r = 5 cm is to be coated by insulation material to a thickness of δr = 1 mm. Approximate the volume δV of insulation material required in m^3. Please use Pi for π (rather than a decimal approximation) in your answer.
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Answer by ikleyn(52855) (Show Source): You can put this solution on YOUR website!
.
First, estimate the surface area of the tube. Is is
To get the volume of the required insulation material, multiply this surface area by the thickness of δr = 1 mm = 0.001 m. It gives you the answer:
δV = .δr.
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