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.($\rho$ = 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

Question

Quizplus · Accepted Answer

The displacement amplitude (s) can be calculated using the formula: s = ΔP / (ρvω), where ΔP is the pressure amplitude, ρ is the density, v is the speed of sound, and ω is the angular frequency (ω = 2πf). Substituting the given values, we find s = 3.7 × 10^(-10) m.

Calculate the Displacement Amplitude (In M)of a 20 KHz Sound ρ\rhoρ

Calculate the Displacement Amplitude (In M)of a 20 KHz Sound $\rho$