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3 years ago

Tsunami waves are usually created by earthquakes that occur along ? _ _

Physics

1 answer:

sdas [7]3 years ago

7 0

Answer:

The correct answer is the sea

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The more massive a body is, the larger the gravity it exerts.

The reason for this is because of the newton's law of universal gravitation.

It states that "the gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distances between them".
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3 years ago

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The shortest pipe in a particular organ is 1.23 m.

AVprozaik [17]

Answer:

The 9th harmonic is 1,010.67 Hz.

Explanation:

Given;

length of the pipe, L = 1.23 m

speed of sound at 0°C = 331.5 m/s

A pipe closed at one end is known as a closed pipe;

The wavelength of the sound for the first harmonic is calculated as;

L = Node ------ > Antinode

$L = \frac{\lambda }{4} \\\\\lambda = 4L$

First harmonic: $F_0 = \frac{V}{\lambda} = \frac{V}{4L}$

The wavelength of the sound for the first harmonic is calculated;

L = Node ----> Node + Node ------> Antinode

$L = \frac{\lambda}{2} + \frac{\lambda}{4} = \frac{2\lambda+\lambda}{4} = \frac{3\lambda}{4} \\\\\lambda = \frac{4 L}{3}$

Second harmonic: $F_1 = \frac{V}{\lambda} = \frac{3V}{4L}$

F₁ = 3F₀

The increment from F₀ to F₁ is 1 to 3; (odd number).

(1, 3, 5, 7, 9, 11, 13, 15, 17, 19..... n+2, where n is odd number)

The 9th harmonic = F₈

F₈ = 15F₀

$F_8= 17(F_0) = 15 (\frac{V}{4L} )\\\\F_8 = 15(\frac{331.5}{4\times 1.23} )\\\\F_8 = 1,010.67 \ Hz$

Therefore, the 9th harmonic is 1,010.67 Hz.

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3 years ago

Tsunami waves are usually created by earthquakes that occur along ? _____ _____

Tsunami waves are usually created by earthquakes that occur along ? _ _