nitraiddQ
2021-02-09
A skyrocket explodes 100 m above the ground (Figure).Three observers are spaced 100 m apart, with the first (A) directlyunder the point of the explosion.
a) What is the ratio of sound intensitiesheard by observer A to that heard by observer B?
b) What is the ratio of intensities heard by observer A to thatheard by observer C?
Velsenw
Skilled2021-02-10Added 91 answers
We have:
Let
be the Intensity for A ;
be the Intensity for B and
be the Intensity for C
The separation of PB as
The separation of PC as
The ratio of sound intensities heard by observer A to that heard by observer B
So
b) The ratio of the intensities that were heard by observers A and C.
So,
22+64
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