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Home Q & A Board Science-Related Homework Help Physics
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yncr yncr
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6 years ago
Calculate the pressure amplitude (in N/m2) of a 500 Hz sound wave in helium if the displacement amplitude is equal to 5.0  10-8 m. (r = 0.179 kg/m3, v = 972 m/s.)
 a. 3.5  10-2
  b. 1.6  10-2
  c. 2.7  10-2
  d. 4.2  10-2
  e. 2.0  10-2
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vonda_smithvonda_smith
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6 years ago
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Tabitha.davis
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6 years ago
Smart ... Thanks!
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