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 :

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

analyze the foot of the following phrase. pushy peoplenumber of feet: 4,2,1,3type of feet: anapestic, dactylic, trochaic, iambic

which of these is the power of the united states supreme court? A) interpret laws B) veto laws c) pass laws D) enforce laws

which of the following is a graph of the question y= [tex] \sqrt{x + 5} - 2[/tex]

The Supreme Court decided that choosing certain counties for a re‐count violated the Equal Protection Clause of the Fourteenth Amendment because it privileged s

why has the use of teams in the workplace increase so dramatically

Question 5 Gradpoint Math Question Please Help

Indicate in standard form the equation of the line passing through the given points. L(5, 0), M(0, 5)

the product of 2 rational numbers is 16/19. if one number is -4/3, find the other

Can y’all answer these questions please

When taphonomy records show a short PMI and warm, humid conditions, the degree of certainty is probably _____.not even closedefinitelowhigh