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Author Question: A music tuner uses a 554-Hz C tuning fork to tune the frequency of a musical instrument. If the ... (Read 38 times)

Diane

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A music tuner uses a 554-Hz C tuning fork to tune the frequency of a musical instrument. If the tuner hears a beat frequency of 2 Hz, what is the frequency of the instrument?
 
  A) It must be 556 Hz.
  B) It must be 552 Hz.
  C) It could be either 556 Hz or 552 Hz.
  D) It could be either 553 Hz or 555 Hz.
  E) It is neither 556 Hz or 552 Hz.

Question 2

Two strings both vibrate at exactly 819 Hz. The tension in one of them is then increased slightly. As a result, six beats per second are heard when both strings vibrate. What is the new frequency of the string that was tightened?
 
  A) 825 Hz
  B) 813 Hz
  C) 822 Hz
  D) 816 Hz


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pikon

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Diane

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Reply 2 on: Jul 29, 2018
:D TYSM


tandmlomax84

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Reply 3 on: Yesterday
Gracias!

 

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