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Author Question: When a beam of light, which is traveling in glass, strikes an air boundary, there is A) a 90 ... (Read 143 times)

natalie2426

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on: Jul 29, 2018
When a beam of light, which is traveling in glass, strikes an air boundary, there is
 
  A)
 
  a 90 phase change in the reflected beam.
  B)
 
  no phase change in the reflected beam.
  C)
 
  a 180 phase change in the reflected beam.
  D)
 
  a 60 phase change in the reflected beam.
  E)
 
  a 45 phase change in the reflected beam.

Question 2

The amplitude of a 3.00-kg object in simple harmonic motion is 10.0 m. The maximum speed of the object is 5.00 m/s What is the frequency of simple harmonic motion?
 
  A)
 
  0.500 Hz
  B)
 
  2.78  10-2 Hz
  C)
 
  2.00 Hz
  D)
 
  7.96  10-2 Hz
  E)
 
  3.14 Hz


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Melissahxx

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

B

Answer to Question 2

D


natalie2426

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

momolu

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Reply 3 on: Yesterday
Excellent

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