A sound wave has an intensity level of 121.3 dB in air. The density of air at 20.0°C is ρ = 1.20 kg/m3 (see Table 9.1). The speed of sound in air at 20.0°C is v = 343 m/s (see Table 12.1).What maximum force does this wave exert on an eardrum of area 0.610 × 10−4 m2? !Required informationA sound wave has an intensity level of 121.3 dB in air. The density of air at 20.0°Cis p = 1.20 kg/m³ (see Table 9.1). The speed of sound in air at 20.0°C is v= 343m/s (see Table 12.1).What maximum force does this wave exert on an eardrum of area 0.610 × 10-4 m²?mN

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College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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A sound wave has an intensity level of 121.3 dB in air. The density of air at 20.0°C is ρ = 1.20 kg/m³ (see Table 9.1). The speed of sound in air at 20.0°C is v = 343 m/s (see Table 12.1).

What maximum force does this wave exert on an eardrum of area 0.610 × 10⁻⁴ m²?

!
Required information
A sound wave has an intensity level of 121.3 dB in air. The density of air at 20.0°C
is p = 1.20 kg/m³ (see Table 9.1). The speed of sound in air at 20.0°C is v= 343
m/s (see Table 12.1).
What maximum force does this wave exert on an eardrum of area 0.610 × 10-4 m²?
mN

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