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xxTIMURxx [149]
3 years ago
7

Whta would you call this?

Physics
2 answers:
Thepotemich [5.8K]3 years ago
8 0
A model of what Shoulder pain looks like...
NeTakaya3 years ago
7 0
Hello,

I would call this a figurine maybe rubbing his shoulder due to stress, or a figurine standing for the Pledge of Allegiance (United States).

Faith xoxo
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A hollow conductor is positively charged. Asmall uncharged metal ball is lowered by a silk thread through asmall opening in the
dimulka [17.4K]

Answer:

Explanation:

According to the property of a conductor, the entire charge will reside on the outer surface of the conductor, there is no charge on the inner side of the conductor. As the uncharged metal ball touches the inner surface of the conductor, it does not attain any charge as the inner side of the conductor has no charge.

So option (c) is correct.

8 0
3 years ago
Choose the answer choice that BEST completes the following sentence. About four million tons of __________________ are converted
yaroslaw [1]

Answer:

<em>About four million tons of </em><em><u>matter</u></em><em> are converted to energy in the Sun’s core every second</em>

Explanation:

<u>The Sun </u>

It's estimated that The Sun fuses near 600 million tons (6.10^9\ kg) of hydrogen into helium every second. As a result, 4 million tons of matter are converted to energy every second according to Einstein's equation E=mc^2

4 0
3 years ago
A ray of light passes from one material into a material with a higher index of refraction. Determine whether each of the followi
nikitadnepr [17]

Answer:

a) the Angle te also decreases , b) decrease, c) unchanged , d) the speed decrease , e) unchanged

Explanation:

When a ray of light passes from one transparent material to another, it must comply with the law of refraction

     n1 sin θ₁ = n2 sin θ₂

Where index v1 is for the incident ray and index 2 for the refracted ray

With this expression let's examine the questions

a) They indicate that the refractive index increases,

      sin θ₂ = n₁ / n₂ sin θ₁

     θ₂ = sin⁻¹ (n₁ /n₂   sin θ₁)

    As m is greater than n1 the quantity on the right is less than one, the whole quantity in parentheses decreases so the Angle te also decreases

Answer is decrease

b) The wave velocity eta related to the wavelength and frequency

      v = λ f

The frequency does not change since the passage from one medium to the other is a process of forced oscillation, resonance whereby the frequency in the two mediums is the same.

The speed decreases with the indicated refraction increases and therefore the wavelength decreases

      λ = λ₀ / n

The answer is decrease

c) from the previous analysis the frequency remains unchanged

d) the refractive index is defined by

       n = c / v

So if n increases, the speed must decrease

The answer is decrease

e) the energy of the photon is given by the Planck equation

      E = h f

Since the frequency does not change, the energy does not change either

Answer remains unchanged

7 0
3 years ago
PLEASE HELP QUICK I NEED IT TO PASS
BlackZzzverrR [31]

Answer:

Explanation:

As the contour lines have roughly the same spacing but the actual topography is much steeper, the lines on the mountainous map represent a larger vertical spacing than the lines on the gradual hills.

3 0
2 years ago
Kamir and Alexis are studying the properties of water. They conducted a variety of experiments to determine its physical and che
lawyer [7]

ITS D hope this helps

5 0
3 years ago
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