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Author Question: For a certain patient, the build-up of fatty tissue on the wall of an artery has decreased the ... (Read 109 times)

kodithompson

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on: Jul 29, 2018
For a certain patient, the build-up of fatty tissue on the wall of an artery has decreased the arterial radius by 10.
 
  By how much would the pressure provided by the heart have to be increased to maintain a constant volume of blood flow? Model the blood as an ideal incompressible fluid. A) 48
  B) 52
  C) 46
  D) 54

Question 2

You are driving along a highway at 25.0 m/s when you hear the siren of an emergency vehicle traveling at constant speed in the opposite direction on the other side of the highway.
 
  When the vehicle is approaching you, you hear the frequency of the siren as 2380 Hz, but when it is past you the frequency becomes 1680 Hz. What is the frequency of the siren? The speed of sound in air is 343 m/s. A) 1850 Hz
  B) 2000 Hz
  C) 2050 Hz
  D) 2010 Hz
  E) 1980 Hz


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nothere

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

B


kodithompson

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Reply 2 on: Jul 29, 2018
Gracias!

cici

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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