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Author Question: Two waves are described by y1 = 6 cos 180t and y2 = 6 cos 186t, (both in meters). With what angular ... (Read 63 times)

jwb375

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on: Jul 28, 2018
Two waves are described by y1 = 6 cos 180t and y2 = 6 cos 186t, (both in meters). With what angular frequency does the maximum amplitude of the resultant wave vary with time?
 a. 366 rad/s
  b. 6 rad/s
  c. 3 rad/s
  d. 92 rad/s
  e. 180 rad/s

Question 2

Two instruments produce a beat frequency of 5 Hz. If one has a frequency of 264 Hz, what could be the frequency of the other instrument?
 a. 269 Hz
  b. 254 Hz
  c. 264 Hz
  d. 5 Hz
  e. 274 Hz


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dlook33

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

c

Answer to Question 2

a


jwb375

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Reply 2 on: Jul 28, 2018
:D TYSM

yeungji

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Reply 3 on: Yesterday
Excellent

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