I also need the direction Thank you!

Physics

1 answer:

Masja [62]3 years ago

7 0

Answer:

2.0

Explanation:

i think 2.0 because u are trying find the magnitude of it

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The volume control on a surround-sound amplifier is adjusted so the sound intensity level at the listening position increases fr

amid [387]

Answer:

Ratio will be $\frac{I_2}{I_1}=10^{3.8}=6309.5$

Explanation:

We have given that intensity level is increases from 23 dB to 61 dB

We know that level of intensity is given by

$i=10log\frac{I}{I_0}$

So $23=10log\frac{I_1}{I_0}$ ------eqn 1

And $61=10log\frac{I_2}{I_0}$ ------eqn 2

Subtracting eqn 1 from eqn 2

$61-23=10log\frac{I_2}{I_1}$

$3.8=log\frac{I_2}{I_1}$

$\frac{I_2}{I_1}=10^{3.8}=6309.5$

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3 years ago

Which of the following best describes the difference between type a and type b

Harrizon [31]

Is there supposed to be a picture? Next time try putting a picture

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3 years ago

a city government received a $1 million grant to build swimming pools and skating rinks for youth. based on the data provided in

ivolga24 [154]

We have that for the Question "A city government received a $1 million grant to build swimming pools and skating rinks for youth. based on the data provided in the graph, what is the opportunity cost of building one swimming pool?" it can be said that

OC=2

From the question we are told

A city government received a $1 million grant to build swimming pools and skating rinks for youth. based on the data provided in the graph, what is the opportunity cost of building one swimming pool?

Generally the equation for the Opportunity cost is mathematically given as

$OC=\frac{y_1-y_2}{x_1-x_2}\\\\OC=\frac{2-0}{1-0}\\\\OC=2$