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posledela
3 years ago
10

The amplitude of a compressional wave depends on the _____.

Physics
1 answer:
e-lub [12.9K]3 years ago
5 0
<span>Volume of a sound wave  which is a type of compressional wave  is the description of amplitude. The amplitude is a measure in the intensity of the waves, or the amount of variation in air pressure. Our perception of pitch varies with the frequency, or how frequently the alternations in air pressure persist. The answer is A.</span>
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________ can exist without ________, but ________ cannot exist without ________.
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B.
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The equation below represents the process that you observed. Balance the equation. What type of reaction?
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3 years ago
During an auto accident, the vehicle’s air bags deploy and slow down the passengers more gently than if they had hit the windshi
const2013 [10]

Answer:

0.381 m

Explanation:

Distance traveled S is found by

S = ut + \frac{1}{2}a{t^2}

Where S is distance traveled, u is initial velocity, t is time, a is acceleration

Since we acceleration a is given as 60g, where g is gravitational constant of 9.81 then a=60*9.81=588.6

The initial velocity u is zero hence ut=0

Substituting a with 588.6, t with 36 ms

\begin{array}{c}\\S = 0 + \frac{1}{2}\left( {588.6 {\rm{m/}}{{\rm{s}}^2}} \right){\left( {\left( {36 {\rm{ms}}} \right)\left( {\frac{{1 {\rm{s}}}}{{{{10}^3} {\rm{ms}}}}} \right)} \right)^2}\\\\ = 0.3814128&#10;{\rm{m}}\\\end{array}  

S=0.381 m

4 0
3 years ago
When air pressure decreases, the mercury in a barometer _____.
siniylev [52]

Answer:

The mercury in the barometer will go down as there is less air pressing down on the bulb of the barometer to push mercury up.

Explanation:

7 0
3 years ago
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