Question: Use I 0 = 1 0 1 2 W / m 2 I 0 = 1 0 1 2 W / m 2 for the

Use I

0 = 10 12

/

2

0 = 10 12

/

2

for the reference intensity.

Part A

What is the sound intensity level in a car when the sound intensity is

0.495

/

2

/

2 ?

Express your answer in decibels.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

=

nothing

dBdB

SubmitRequest

Answer

Part B

What is the sound intensity level in the air near a jackhammer when the sound intensity level is

102

dBdB

?

Express your answer in watts per meter squared.

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