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Author Question: Two harmonic waves traveling in opposite directions interfere to produce a standing wave described ... (Read 136 times)

codyclark

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on: Jul 28, 2018
Two harmonic waves traveling in opposite directions interfere to produce a standing wave described by y = 2 sin (px) cos (3pt) where x is in m and t is in s. What is the distance (in m) between the first two antinodes?
 a. 8
  b. 2
  c. 4
  d. 1
  e. 0.5

Question 2

Two harmonic waves traveling in opposite directions interfere to produce a standing wave described by y = 2 sin (4x) cos (3t) where x is in m and t is in s. What is the speed (in m/s) of the interfering waves?
 a. 0.75
  b. 0.25
  c. 1.3
  d. 12
  e. 3.0


steff9894

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


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codyclark

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


steff9894

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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