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IRINA_888 [86]
3 years ago
12

What new tool did geologists use to estimate the changing flow rates of lava over the duration of this eruption? Hint: The answe

r is mentioned in the Kīlauea talk!a. GPS receiversb. Photographs from dronesc. Fluid dynamic calculationsd. Thermal sensors
Physics
1 answer:
Vladimir [108]3 years ago
4 0

Answer:

Option b, pothographs from drones.

Explanation:

the USGS (U.S. Geological Survey) decided to make photographic captures from drones to the volcanic surfaces, which allowed through observations to understand things like the characteristics of the lava, the height of the volcanic plumes (among others).

Podemos ver en el siguiente enlace un ejemplo de fotografía tomada desde un dron al Kilauea.

https://www.usgs.gov/media/images/k-lauea-volcano-drone-over-lava-channel

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Of the following the only process not involed in the making of clastic rocks is:
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The answer is B. build up of plant materials. This is because those rocks that are composed of materials, which are organic matters from decaying plants, formed by biological activity are called biogenic or organic or non-clastic rocks. On the other hand, clastic rocks are made up of gravel, sand, silt, and clay.
6 0
3 years ago
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a fast charged particle passes perpendicularly through a thin glass sheet of index of refraction 1.5. The particle emits light i
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The minimum speed of the particle is the Speed of light in glass is c/μ=2×108m/s.

<h3>Why is the refractive index important?</h3>

The higher the refractive index the slower the light travels, which causes a correspondingly increased change in the direction of the light within the material. What this means for lenses is that a higher refractive index material can bend the light more and allow the profile of the lens to be lower.

Refractive index values are usually determined at standard temperature. A higher temperature means the liquid becomes less dense and less viscous, causing light to travel faster in the medium.

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7 0
1 year ago
An experimenter finds that standing waves on a string fixed at both ends occur at 24 Hz and 32 Hz , but at no frequencies in bet
Vera_Pavlovna [14]

Answer:

8 Hz

Explanation:

Given that

Standing wave at one end is 24 Hz

Standing wave at the other end is 32 Hz.

Then the frequency of the standing wave mode of a string having a length, l, is usually given as

f(m) = m(v/2L), where in this case, m could be 1. 2. 3. 4 etc

Also, another formula is given as

f(m) = m.f(1), where f(1) is the fundamental frequency..

Thus, we could say that

f(m+1) - f(m) = (m + 1).f(1) - m.f(1) = f(1)

And as such,

f(1) = 32 - 24

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4 0
3 years ago
The force generated by a single muscle fiber can be increased by increasing is called
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Answer:

The force generated by a single muscle fiber can be increased by increasing the frequency of action potentials

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3 years ago
Which two elements define a story's setting?
Archy [21]

Answer:

the plot structure defines a story's setting

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