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Home Q & A Board Science-Related Homework Help Physics
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mamafay mamafay
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6 years ago
Calculate the displacement amplitude (in m) of a 20 kHz sound wave in helium if it has a pressure amplitude of 8.0  10-3 N/m2 . (r = 0.179 kg/m3, v = 972 m/s.)
 a. 2.9  10-10
  b. 3.7  10-10
  c. 7.8  10-9
  d. 2.4  10-9
  e. 1.9  10-10
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sylviag14sylviag14
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#1
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6 years ago
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mamafay Author
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6 years ago
You make an excellent tutor!
annielin111
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
Starfiew
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2 hours ago
Smart ... Thanks!
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