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Author Question: If you move twice as far away from a lawn mower running in an open field, the amplitude of the sound ... (Read 90 times)

mcmcdaniel

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on: Jul 28, 2018
If you move twice as far away from a lawn mower running in an open field, the amplitude of the sound you hear will be ___________ what it was before.
 a. the same as
  b. twice
  c. half
  d. four times
  e. one fourth

Question 2

If one lawn mower causes an 80 dB sound level at a point nearby, four lawnmowers together would cause a sound level of ____________ at that point.
 a. 92 dB c. 86 dB
  b. 84 dB d. none of the above


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jessofishing

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

C

Answer to Question 2

C


mcmcdaniel

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Reply 2 on: Jul 28, 2018
Gracias!

at

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Reply 3 on: Yesterday
Excellent

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