jacieemariejace3240 jacieemariejace3240
  • 08-02-2020
  • Physics
contestada

A brand of earplugs reduces the sound intensity level by 27 dB.By what factor do these earplugs reduce the acoustic intensity?

Respuesta :

Xema8 Xema8
  • 08-02-2020

Answer:

Explanation:

27dB = 2.7 B

So I / I₀ = 10⁻²°⁷ ,  I₀ is intensity of main sound and I is intensity after reduction.

= 1.99 X 10⁻³

So intensity will reduce by 1.99 X 10⁻³  .

Answer Link

Otras preguntas

Luna at $50 when she got to the carnival after riding 12 rides she had twenty-six dollars left what was the price of which equation could be used to represent
how do fairy tales reflect a society about gender
What is 433.38 in word form
A lab group reacts sodium oxide (Na2O) with hydrochloric acid (HCl) to produce sodium chloride (NaCl) and water (H2O). When writing their lab report, they come
He swiftly ran away from the tackler. Is swiftly a verb adjective or a adverb
what is the capital of Kingston
DESPERATELY NEED HELP!! TANGENT LINES WHAT IS THE PERIMETER?!
Use slope formula to find the missing coordinate. (r, 1) and (5, -7) Slope = 8/3
Compare chemical equations and mathematical equations.
What would be and appropriate question for you to ask this person in Spanish?