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Author Question: A person is hearing two sound waves simultaneously. One has a period of 1.50 ms and the other one a ... (Read 116 times)

burchfield96

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on: Jul 29, 2018
A person is hearing two sound waves simultaneously. One has a period of 1.50 ms and the other one a period of 1.54 ms. What is the period of the beat due to these two waves?
 
  A) 0.040 ms
  B) 1.5 ms
  C) 3.0 ms
  D) 58 ms
  E) 330 ms

Question 2

Two identical loudspeakers that are 5.00 m apart and face toward each other are driven in phase by the same oscillator at a frequency of 875 Hz.
 
  The speed of sound in the room is 344 m/s. If you start out standing midway between the speakers, find the shortest distance you can walk toward either speaker in order to hear a minimum of sound.
  A) 0.0983 m
  B) 0.197 m
  C) 0.295 m
  D) 0.393 m
  E) 0.590 m


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lgoldst9

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

D

Answer to Question 2

A


burchfield96

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Reply 2 on: Jul 29, 2018
Wow, this really help

covalentbond

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Reply 3 on: Yesterday
Excellent

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