Question

A car mechanic finds that the sound level of a car with a defective muffler is 108dB. After she fixes a hole in the muffler, the sound level is 78dB. How much louder was the car before the muffler was repaired?

Answer 1

i know an equation related with sound intensity and intensity level

Answer 2

beta=10 log(I/Io)

Answer 3

I know the actual equation but I am confused on where to input which numbers?

Answer 4

loudness is proportional to sound intensity?

Answer 5

I believe so

Answer 6

u can find out the value of sound intensity 2 times

Answer 7

okay so 108Db = 10 log(l/lo0?

Answer 8

Io=1*10^-12W/m^2

Answer 9

ohhh okay perfect thank you!

Answer 10

welcome