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kirill115 [55]
3 years ago
11

What type of device forms images by changing the speed at which light

Physics
2 answers:
snow_tiger [21]3 years ago
8 0

Answer:

It's Lens

Explanation: I did the assignment

Nady [450]3 years ago
3 0

Answer:

Any Lens

Explanation:

I Hope it's right if not so Sorry :)

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Which layer of the atmosphere has the highest density?
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The Troposphere is the lowermost portion of Earth’s atmosphere. It is the densest layer of the atmosphere and contains approximately 75 percent of the mass of the atmosphere and almost all the water vapor and aerosol. The troposphere extends from the Earth’s surface up to the tropopause where the stratosphere begins.

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What is the wavelength of light (nm) that has a frequency of 6.44 x 1013 s-1?
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A mass moves back and forth in simple harmonic motion with amplitude A and period T.
Sever21 [200]

a. 0.5 T

- The amplitude A of a simple harmonic motion is the maximum displacement of the system with respect to the equilibrium position

- The period T is the time the system takes to complete one oscillation

During a full time period T, the mass on the spring oscillates back and forth, returning to its original position. This means that the total distance covered by the mass during a period T is 4 times the amplitude (4A), because the amplitude is just half the distance between the maximum and the minimum position, and during a time period the mass goes from the maximum to the minimum, and then back to the maximum.

So, the time t that the mass takes to move through a distance of 2 A can be found by using the proportion

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and solving for t we find

t=\frac{(1T)(2 A)}{4A}=0.5 T

b. 1.25T

Now we want to know the time t that the mass takes to move through a total distance of 5 A. SInce we know that

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3 years ago
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