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3 years ago

8

How is wave movement affected by the various mediums it may travel through?

1 answer:

Juliette [100K]3 years ago

5 0

Answer:

speed is affected by the medium in wich the wave travels.

Explanation:

The speed of a wave is affected when traveling in different medium, depending on the medium in which the wave travels it can go faster or slower, or not even be able to travel in that medium.

For light waves, the denser the medium through which the wave travels, the slower it will go through it, as there is more resistance to the light particles.

And in waves like sound, which instead of particles is a vibration or disturbance in the medium, they travel faster in denser mediums such as metal, because the disturbance is transmitted more efficiently thanks to how close together that the particles are in the metal, This is why sound does not travel in a vacuum; there are not even particles to transmit the vibration.

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Prior to the Panama Canal, __________ was a major route between the Atlantic and Pacific oceans.

Bingel [31]

The Rio Grande was the major route prior to the Panama Canal.

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4 years ago

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A projectile leaves the ground at an angle of 60° the horizontal.Its kinetic energy is E.Neglecting air resistance, find in term

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Explanation:

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2 years ago

A) A wire made from iron with a cross-section of diameter 0.800 mm carries a current of 14.0 A. Calculate the "areal current den

Veseljchak [2.6K]

Answer:

A) ρ= $1.74x10^{26}$

B) μ= $1.68x10^{29}\frac{electron}{m^3}$

C) v= $1.03x10^{-3}\frac{m}{s}$

D)e= $8.99x10^-9$

Explanation:

A)

The magnetic field can be find knowing the current is the charge per second

β= $\frac{14eC*s}{1.6x10^{-19}C}\\$

β= 8.75x10^{19}e*s

Electron density

ρ= $\frac{8.75x10^{19}}{\pi*0.400x10^{-3}m} = 1.74x10^{26}$

B)

μ= $\frac{7.86}{56.2}\frac{g}{cm^3} \frac{mol}{g}*6.022x10^{23}\frac{molecules}{mol} *2 \frac{electron}{molecule}$

μ $=1.68x10^{23} \frac{electron}{cm^3}= 1.68x10^{29} \frac{electron}{m^3}$

C)

The drift speed using last information found

$v= \frac{J}{n*q} \\v= \frac{14A}{\pi*((0.40x10^-3)^2)*1.68x10^29*1.60x10^-19)} = 1.03x10^-3(\frac{m}{s} )$

D)

To compared the random thermal motion and the current's drift speed

$e=\frac{1.03x10^-3}{1.15x10^5} = 8.99x10^-9$

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3 years ago

What is <br> 2.40 g/cm sinks or floats

Katyanochek1 [597]

It probably floats since grams per cm are small

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3 years ago

Which statement does NOT refer to radiation?

fiasKO [112]

B. Warm air rises and takes heat with it; eventually it cools and sinks.

Explanation:

Warm air rising and taking heat with it which eventually cools and sinks describes a typical convection current. This is not radiation

Convection and radiation are both forms of heat transfer alongside conduction.

Radiation is the only form of heat transfer that does not involve the use of a medium or particles.

Air is a medium and it flouts the concept of heat transfer by radiation.

Convection is mostly taking place in fluids especially liquid and gas.

learn more:

Convection brainly.com/question/377220?source=aid8168908

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4 years ago

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