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Delvig [45]
3 years ago
5

How longitudinal waves are formed

Physics
2 answers:
vfiekz [6]3 years ago
6 0

Answer:

forever

Explanation:

Vladimir79 [104]3 years ago
3 0
Air molecules move in a direction that is parallel to the direction that the wave moves, the sound waves is referred as a longitudinal wave .
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375 hz

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What is the control group
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4 years ago
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If two firecrackers produce a sound level 85dB. What level does the explosion of one firecracker produce?
mars1129 [50]

Level of sound is related to intensity by this equation

L = 10 Log \frac{I}{I_o}

given that

L = 85 dB

also we know that

I_o = 10^{-12} W/m^2

now we have

85 = 10 Log \frac{I}{10^{-12}}

By solving above equation

I = 10^{8.5} * 10^{-12}

I = 3.16 * 10^{-4} W/m^2

now above is the intensity due to two firecrackers and if we wish to find the sound level of one firecracker then we will find its half level intensity

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L = 10 Log \frac{1.58 * 10^{-4}}{10^{-12}}

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8 0
3 years ago
We can model the motion of a bumblebee's wing as simple harmonic motion. A bee beats its wings 250 times per second, and the win
zlopas [31]

Answer:

The amplitude of the wing tip's motion is 1.6 mm.

Explanation:

Given that,

Beat = 250 /s

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v_{max}=2\pi f A

A=\dfrac{v}{2\pi f}

Where,

v = speed

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Put the value into the formula

A=\dfrac{2.5}{2\pi\times250}

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A=1.6\ mm

Hence, The amplitude of the wing tip's motion is 1.6 mm.

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4 years ago
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