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Author Question: A guitar string is set into vibration with a frequency of 512 Hz. How many oscillations does it ... (Read 80 times)

danielfitts88

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on: Jul 29, 2018
A guitar string is set into vibration with a frequency of 512 Hz. How many oscillations does it undergo each minute?
 
  A) 30,700
  B) 8.53
  C) 26.8
  D) 1610
  E) 512

Question 2

How far from a covnex lens of focal length 30 cm must an object be placed so the image will be virtual and 3.0 times as large as the object?
 
  What will be an ideal response?
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IAPPLET

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

A

Answer to Question 2

20 cm


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