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Author Question: As atmospheric pressure increases, what happens to the velocity of sound? (Assume that all other ... (Read 65 times)

Charlie

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on: Jul 27, 2018
As atmospheric pressure increases, what happens to the velocity of sound? (Assume that all other factors remain constant.)
 
  A) It increases.
  B) It decreases.
  C) It does not change.
  D) It increases on warm days and decreases on cold days.

Question 2

A simple pendulum consists of a mass M attached to a weightless string of length L. For this system, when undergoing small oscillations
 
  A) the frequency is independent of the length L.
  B) the frequency is proportional to the amplitude.
  C) the frequency is independent of the mass M.
  D) the frequency is proportional to the period.
  E) the period is proportional to the amplitude.


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maaaaaaaaaa

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

C

Answer to Question 2

C


Charlie

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

ricroger

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

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