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Author Question: The pressure differential across a wing cross section due to the difference in air flow is explained ... (Read 21 times)

ap345

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on: Jul 27, 2018
The pressure differential across a wing cross section due to the difference in air flow is explained by
 
  A) Newton's third law.
  B) Bernoulli's equation.
  C) Poiseuille's law.
  D) Archimedes Principle.
  E) Kepler's law.

Question 2

Two metal rods are made of the same material and have the same cross-sectional area. The two rods differ only in their lengths which we call L and 3L, respectively.
 
  You heat the two rods from the same initial temperature to the same final temperature. You observe that the short rod expands its length by an amount L. The amount by which the length of the long rod will expand must be A) L.
  B) L.
  C) 2L.
  D) 3L.
  E) 9L.


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mcinincha279

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


ap345

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Reply #2 on: Jul 27, 2018
TY


mcinincha279

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Reply #3 on: Jul 27, 2018
You're welcome


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