Question

A sound source is designed to produce a 1.0 W/m2 sound intensity from a distance of 20 m. What acoustic power is needed to produce this sound intensity?​

Answer 1

Answer:

2513.6

Explanation:

hope it helps you out

mark me brainleast

Answer 2

Answer:

Answer:

2513.6 W

Explanation:

Acoustic power = sound intensity × area of hemisphere

Sound intensity = 1 W/m^2

Area of hemisphere = 2πr^2 = 2×3.142×20^2 = 2513.6 m^2

Acoustic power = 1 W/m^2 × 2513.6 m^2 = 2513.6 W