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Nostrana [21]
4 years ago
5

Sound wave A has a lower frequency than sound wave B, but both waves

Physics
2 answers:
Keith_Richards [23]4 years ago
4 0

Answer: C

Explanation: Amplitude controls loudness, and frequency controls pitch. The more frequent the higher pitch.

tatuchka [14]4 years ago
3 0

Answer: C

explanation: its the only one that makes sense to me

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Answer:

899752.13598 N

Explanation:

p = Pressure on the plate = 7.16\times 10^4\ Pa

A = Area = \pi r^2=\pi 2^2=\pi 4

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When force is divided by area we get pressure

p=\frac{F}{A}\\\Rightarrow F=p\times A\\\Rightarrow F=7.16\times 10^4\times \pi 4\\\Rightarrow F=899752.13598\ N

Force is exerted by the atmosphere on a disk-shaped region is 899752.13598 N

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