3 years ago

Which best describes the energy of a sound wave as it travels through a medium?

Physics

2 answers:

qaws [65]3 years ago

7 0

Answer:

it increases

Explanation:

earnstyle [38]3 years ago

4 0

Answer:

Im pretty sure is C remains the same not 100% though

Explanation:

Because it is refering to energy not speed

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A car is driving at 50 kilometers per hour. how far, in meters, does it travel in 2 seconds?

AveGali [126]

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The wavelength of the light is 0.63 micrometers. How much of this length stays in 1 centimeter

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11,066,669.
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lara [203]

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3 years ago

A 103 kg horizontal platform is a uniform disk of radius 1.71 m and can rotate about the vertical axis through its center. A 68.

Andreyy89

Answer:

$I_{total}=220.64 kg*m^{2}$

Explanation:

The moment of inertia of the system is equal to the each population and the platform inertia so

Inertia disk

$I_{disk}=\frac{1}{2}*m_{disk}*(r_{p})^{2}$

Inertia person

$I_{p}=\frac{1}{2}*m_{p}*(r_{p})^{2}$

Inertia dog

$I_{d}=\frac{1}{2}*m_{d}*(r_{d})^{2}$

The Inertia of the system is the sum of each mass taking into account that all exert the force of inertia:

$I_{total}=I_{disk}+I_{p}+I_{d}$

$I_{total}=\frac{1}{2}*103kg*(1.71)^{2}+\frac{1}{2}*68.9kg*(1.09)^{2}+\frac{1}{2}*27.7kg*(1.45)^{2}$

$I_{total}=220.64 kg*m^{2}$

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Marta_Voda [28]

I think the answer is to measure the tubes

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3 years ago

Read 2 more answers