A large tank has a tube coming out of it like a straw, as shown in the picture below. The tube of water is entirely full and closed at the end on the right, while the tank is open to the air. Rank the pressures at points N, U, C, L, E, A, and R (using <, >, and =). Explain your reasoning. How does the pressure at point R compare with the atmospheric pressure immediately outside of the straw? Explain your reasoning.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A large tank has a tube coming out of it like a straw, as shown in the picture below. The tube of water is entirely full and closed at the end on the right, while the tank is open to the air.

  1. Rank the pressures at points N, U, C, L, E, A, and R (using <, >, and =). Explain your reasoning.
  2. How does the pressure at point R compare with the atmospheric pressure immediately outside of the straw? Explain your reasoning.
  3. Describe what would happen if you held the right end of the straw (near point R) in place and poked a hole in the end of it. (This is how a siphon works.) Explain your reasoning. (A video of you doing this experiment yourself could be submitted as evidence of your reasoning.)
L
E
A
N
U
R
Transcribed Image Text:L E A N U R
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