What equation do we use to solve?
1 answer:
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Answer:
250 m
Explanation:
We expect the distance to be more because the sound level has decreased.
Sound level (in decibels) is related to distance by
where is the sound level at a distance of
and
is the sound level at a distance of
.
Using the values in the question,
As a note, when distance increases by 10, the sound level drops by 20 dB, which is what we have in the question.
Answer:
-1.3 m/s
Explanation:
It won't allow me submit, so be good to check the attachment
