The pressure variation in a sound wave in air is given by

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

Problem

The pressure variation in a sound wave in air is given by δp=12sin⁡(8.18x−2700t+π/4) N/m2\delta p=12\sin(8.18x-2700t+\pi/4)\text{ N/m}^2. Find the displacement amplitude. Density of air =1.29 kg/m3=1.29\text{ kg/m}^3.

Related theory

Browse the problem library