ppose Ma igdeburg hollow sphere with a hollow cube, with a volume of 1 cubic foot. The cube is bisected into two equal halves and the seams are sealed with grease. When the cube is evacuated, what is the maximum force (in lbs) needed to pull the cube anart (at sea levell? Does it matter how the cube is bisected?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
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Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...
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3. Suppose that in the Magdeburg hemisphere demonstration we replace the
hollow sphere with a hollow cube, with a volume of 1 cubic foot. The cube is
bisected into two equal halves and the seams are sealed with grease. When the
cube is evacuated, what is the maximum force (in lbs) needed to pull the cube
apart (at sea level)? Does it matter how the cube is bisected?
Transcribed Image Text:3. Suppose that in the Magdeburg hemisphere demonstration we replace the hollow sphere with a hollow cube, with a volume of 1 cubic foot. The cube is bisected into two equal halves and the seams are sealed with grease. When the cube is evacuated, what is the maximum force (in lbs) needed to pull the cube apart (at sea level)? Does it matter how the cube is bisected?
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