Answer:
The answer is going to be C.
Explanation:
Trust me. Im an expert in physics
I need more details like r u reading from something
Answer:
fo = 378.52Hz
Explanation:
Using Doppler effect formula:
where
f' = 392 Hz
C = 340m/s
Vb = 20m/s
Va = 31m/s
Replacing these values and solving for fo:
fo = 378.52Hz
Decibel - the decibel is a relative unit of measurement equal to one 10th of a bel
The reasoning that can be used to agree with the claim that has ben made is that the human powered generators are the best due to the fact that they would not have to require the long time and they would not have to consume resources.
<h3>What is a claim?</h3>
This is the term that is used to refer to a statement or an assertion that has been made which has not yet been proven.
The human powered generators are the best due to the fact that they would not require the resources that are known to be more consuming. That is they are renewable and like fossils they would not have any forms of adverse effects on the environment that they are used.
Read more on human powered generators here: brainly.com/question/18287444
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