Posted by Mary on .
An interstate highway has been built though a poor neighborhood in a city. In the afternoon, the sound level in a rented room is 114.0 dB as 172 cars pass outside the window every minute. (a) What is the sound intensity during the day ?
(Reminder: If you choose to use scientific notation to enter your answer, use the form 5E4 to indicate 5 x 104) (b) What is the sound intensity at night? (c) What is the average latenight sound level?

Physics Elena please help! 
Killianna,
Figure it out. look it up on google. Smarts

Physics Elena please help! 
Mary,
I don't understand how to do it, you don't need to be mean about it. I am asking for someone else's help.

Physics Elena please help! 
Killianna,
Sorrry i was responding to facebook

Physics Elena please help! 
Killianna,
But im sorry. I have no idea how to figure that out. What grade are you in where u have to answer that question??

Physics Elena please help! 
Mary,
Junior in College

Physics Elena please help! 
Not Elena,
A) Find intensity by using B= 10 X log (I/10^12) formula
B) Take the answer for A multiply it by the number that it gives you for the new amount of cars that pass. Divide that number by your 172.