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Author Question: A 60.0-cm long string with a mass 8.00 g has a tension 200 N. What is the fundamental frequency of ... (Read 86 times)

jhjkgdfhk

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on: Jul 29, 2018
A 60.0-cm long string with a mass 8.00 g has a tension 200 N. What is the fundamental frequency of this string?
 
  A)
 
  38.7 Hz
 
  B)
 
  1500 Hz
 
  C)
 
  56.7 Hz
 
  D)
 
  102 Hz
 
  E)
 
  3.75 Hz

Question 2

Two traveling waves have the forms z1 = A sin(kx - t), z2 = A sin(kx + t ) Express their superposition in the form of a standing wave.
 
  A)
 
  2A cos(kx) cos( t )
  B)
 
  2A sin(kx) cos( t )
  C)
 
  2A sin(kx) sin( t )
  D)
 
  A sin(kx )2 - (t )2
  E)
 
  2A cos(kx) sin( t )


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Dominic

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

D

Answer to Question 2

B


jhjkgdfhk

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Reply 2 on: Jul 29, 2018
:D TYSM

Liddy

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Reply 3 on: Yesterday
Wow, this really help

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