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g100num [7]
3 years ago
14

Can I have some help please? It would mean a lot!

Physics
1 answer:
denis-greek [22]3 years ago
8 0
Sound waves the force of said sound wave would knock you backwards

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Prepare a stock available at home following the procedure you learned in this lesson. Have a picture of the finished product and
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NO, 1. is stocks

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bouquit GARNI IS NUMBER 3

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Which substance will float in corn syrup
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The surface area of a material is a factor that affects heat conductivity. Does heat flow faster through a large surface area or
Elis [28]
The air flows slower in a bigger space. The air in a small space hit each other heating up, and move faster and faster. is that what your asking?
4 0
3 years ago
Mountain ranges and belts are built through the process called what
nordsb [41]
They are built through the process of what called as Orogenesis. Orogenesis is the process of the mountain making, upheaval or formation. It is also called Orogeny. Orogeny is the process which the mountains are formed. The process of mountain formation especially when it is faulting. The making of the mountains is also Orogenesis. An orogeny is an event which leads to mountain deformation due to some interaction between Earth Lithosphere and tectonic plates. When continental plates crumple and pushed forward to form one or more mountain ranges an orogen or orogenic belt develops, it involves many geological processes called orogenesis.
4 0
3 years ago
A sound from a source has an intensity of 270 dB when it is 1 m from the source.
Rufina [12.5K]
Remember that sound intensity decreases in inverse proportion to the distance squared. So, to solve this we are going to use the inverse square formula: \frac{I_{2} }{I_{1}}= (\frac{d{2} }{d_{1}})^2
where
I_{2} is the intensity at distance 2
I_{1} is the intensity at distance 1
d_{2} is distance 2
d_{1} is distance 1

We can infer for our problem that I_{1}=270, d_{1}=1, and d_{2}=3. Lets replace those values in our formula to find I_{2}:
\frac{I_{2} }{I_{1}}= (\frac{d{2} }{d_{1}})^2
\frac{I_{2} }{270} =( \frac{1}{3} )^2
\frac{I_{2} }{270} = \frac{1}{9}
I_{2}= \frac{270}{9}
I_{2}=30 dB

We can conclude that the intensity of the sound when is <span>3 m from the source is 30 dB.</span>
8 0
3 years ago
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