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stich3 [128]
2 years ago
6

Question 20 of 20

Physics
1 answer:
Sphinxa [80]2 years ago
6 0

Answer:

a

Explanation:

hI I

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True or false When hydrogen joins with oxygen, a hydrogen bond has been formed.
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hydorgen bond

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A nuclear accident (intentional or unintentional) can cause significant harm to those living nearby or at a distance. Harmful le
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Answer:Explained

Explanation:

Invisible gamma radiation does not transmit through Air or through contact thus standard precautions can  encompasses more than person-to-person contamination.

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3 years ago
Find the intensity of a 55 dB sound given I 0=10^-12W/m^2
MakcuM [25]

Answer:

3.16 × 10^{-7} W/m^{2}

Explanation:

β(dB)=10 × log_{10}(\frac{I}{I_{0} })

I_{0}=10^{-12} W/m^{2}

β=55 dB

Therefore plugging into the equation the values,

55=10 log_{10}(\frac{I}{ [tex]10^{-12}})[/tex]

5.5= log_{10}(\frac{I}{ [tex]10^{-12}})[/tex]

10^{5.5}= \frac{I}{10^{-12} }

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2 years ago
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