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Author Question: On a warm 30.C spring day, you are watching Richard take a buzzer and twirl it horizontally around ... (Read 79 times)

ahriuashd

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on: Jul 27, 2018
On a warm 30.C spring day, you are watching Richard take a buzzer and twirl it horizontally around on the end of a 2.0 meter long string. Why do you hear the buzzer tone Vary from 718. Hz to 772. Hz? What is the angular speed?
 
  What will be an ideal response?

Question 2

Astigmatism is usually due to
 
  A) the cornea or lens being out of round.
  B) accommodation.
  C) myopia.
  D) missing rods.
  E) hyperopia.


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xthemafja

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

You hear the effect of a Doppler shift as the buzzer periodically moves away and then toward you. Angular speed 6.3 rad/s.

Answer to Question 2

A


ahriuashd

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

tranoy

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Reply 3 on: Yesterday
Gracias!

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