Answer:
cell wall and cell membrane
Based on the calculations, the ratio of the intensity of Ir to Ip is equal to 50.12.
<h3>How to find the ratio of the intensity?</h3>
- Let the intensity of the power mower be Ip.
- Let the intensity of the rock music be Ir.
Mathematically, sound intensity level can be calculated by using this formula:

<u>Where:</u>
I is the intensity of the sound.
Making I the subject of formula, we have:
I = Io × 
For Ip, we have:
Ip = Io × 
Ip = Io × 
For Ir, we have:
Ir = Io × 
Ir = Io × 
Now, we can find the ratio of the intensity:
Ir/Ip = Io ×
/Io × 
Ir/Ip =
/
Ir/Ip = 
Ir/Ip = 
Ir/Ip = 50.12.
Read more on sound intensity here: brainly.com/question/17062836
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A transformer is used to increase or decrease a voltage. BUT ... it has to be an AC voltage, or the transformer doesn't work.
Answer:
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Explanation:
can u please translate it to english language. I can't understand.