Select the correct answers from the drop down menu. The formula ? =10log(I/Ia) is used to find the sound level, ?, in decibels (
dB), of a sound with an intensity of I, In the formula, I0 represents the smallest sound intensity that can be heard by the human ear (approximately 10-12 watts/meter^2). The sound level on a busy street is 70 dB. What is the sound intensity on the street?
The sound intensity on the busy street is __ watts/meter^2.
a. 10^-5
b.10^-10
c.10^-1
The sound intensity on the busy street is __ watts/meter^2.
a. 10^-5
b.10^-10
c.10^-1
2 answers:
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Given that <span>For
a certain model of car the distance 
required to stop the vehicle if
it is traveling at 
mi/h is given by the formula ![d=v+\frac{v^2}{20}, where [tex]d](https://tex.z-dn.net/?f=d%3Dv%2B%5Cfrac%7Bv%5E2%7D%7B20%7D%2C%20where%20%5Btex%5Dd%20)
is measured in feet.
If Kerry wants her stopping distance not to exceed 75 ft, then the range of speeds (in mi/h) can she travel is obtained as follows:
Therefore, the range of speed she can travel is
</span>
If Kerry wants her stopping distance not to exceed 75 ft, then the range of speeds (in mi/h) can she travel is obtained as follows:
Therefore, the range of speed she can travel is
</span>