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krok68 [10]
3 years ago
8

How does amplitude determine loudness?

Physics
2 answers:
sdas [7]3 years ago
7 0

Answer:

Explanation:

Amplitude is a measure of the size of sound waves. It depends on the amount of energy that started the waves. Greater amplitude waves have more energy and greater intensity, so they sound louder.

Rasek [7]3 years ago
7 0

Answer:

Amplitude determines the loudness of a wave. Greater the amplitude, greater is the loudness.

Explanation:

Amplitude is a measure of the size of sound waves. It depends on the amount of energy that started the waves. Greater amplitude waves have more energy and greater intensity, so they sound louder. ... The same amount of energy is spread over a greater area, so the intensity and loudness of the sound is less.

I hope this helps have a great day :)

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A ship's propeller of diameter 3 m makes 10.6 revolutions in 30s. What is the angular velocity of the propeller?
ycow [4]

Answer:

The angular velocity of the propeller is 2.22 rad/s.

Explanation:

The angular velocity (ω) of the propeller is:  

\omega = \frac{\Delta \theta}{\Delta t}                              

Where:

θ: is the angular displacement = 10.6 revolutions

t: is the time = 30 s

\omega = \frac{\Delta \theta}{\Delta t} = \frac{10.6 rev*\frac{2\pi rad}{1 rev}}{30 s} = 2.22 rad/s

Therefore, the angular velocity of the propeller is 2.22 rad/s.

I hope it helps you!

5 0
3 years ago
Where can protozoa be found?
Semenov [28]
<span>Protozoa live in seas, rivers, lakes, ponds, decaying matters and soil</span>
8 0
4 years ago
Read 2 more answers
A shopper walks westward 5.4 meters and then eastward 7.8 meters
RoseWind [281]

Answer:

13.2 meters

Explanation:

(5.4) + (7.8)

6 0
3 years ago
A car which is traveling at a velocity of 15 m/s undergoes an acceleration of 6.5 m/s2 over a distance of 340 m. How fast is it
Svetach [21]

<em>v</em>² - <em>u</em>² = 2 <em>a</em> ∆<em>x</em>

where <em>u</em> = initial velocity, <em>v</em> = final velocity, <em>a</em> = acceleration, and ∆<em>x</em> = distance traveled.

So

<em>v</em>² - (15 m/s)² = 2 (6.5 m/s²) (340 m)

<em>v</em>² = 4645 m²/s²

<em>v</em> ≈ 68.15 m/s

5 0
4 years ago
The mass of a basketball is three times greater then the mass of a softball. Compare the momentum’s of a softball and a basketba
vagabundo [1.1K]
Let m = the mass of the softball.
Then the mass of the basketball is 3m.

By definition, momentum =  mass * velocity.
If both the softball and basketball move at the same velocity, v, then
Momentum of the softball = mv
Momentum of the basketball = 3mv

Answer: The momentum of the basketball is 3 times that of the softball.
5 0
4 years ago
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