191k views
0 votes
What is the decibel level of a dog barking with intensity 10−5 watts per square inch? Use a logarithmic model to solve.

What is the decibel level of a dog barking with intensity 10−5 watts per square inch-example-1

1 Answer

2 votes

Answer:

70 dB

Explanation:

D=10log(I10−12)

Substitute in the intensity level, I, and then simplify to find

DD=10log(10−510−12)=10log(107).

Since log107=7, simplify to find

DD=10⋅7=70.

The decibel level is 70dB.

User HuntsMan
by
8.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories