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Author Question: The sound intensity level 5.0 m from a point source is 95 dB. At what distance will it be 75 dB? ... (Read 70 times)

Jkov05

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on: Jul 29, 2018
The sound intensity level 5.0 m from a point source is 95 dB. At what distance will it be 75 dB?
 
  A) 225 m B) 75 m C) 25 m D) 50 m

Question 2

A 20.0-L pressure vessel holds 2.00 mol of oxygen at 30C. What is the pressure inside the vessel? (R = 8.31 J/mol  K)
 
  A) 101 Pa
  B) 101 kPa
  C) 1.01 MPa
  D) 2.52 MPa
  E) 252 kPa
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Bsand8

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Reply #1 on: Jul 29, 2018
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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Jkov05

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Reply 2 on: Jul 29, 2018
:D TYSM

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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