Sound Waves (15, 3)

Equations:

v =

B

I =

1

⋅ ρ ⋅ v ⋅ ω 2 sm2

 

ρ

 

2

 

 

I

 

 

 

β = 10 LOG10

 

 

ω = 2 ⋅ π ⋅ f

Example:

Given: sm=10_cm, ω=6000_r/s, B=12500_kPa, ρ=65_kg/m^3.

Solution: v=438.5290_m/s, I=5130789412.97_W/m^2, β=217.018_dB, f=954.9297_Hz.

560 Equation Reference

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HP 50g Graphing, 48gII Graphing manual Sound Waves 15