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WITCHER [35]
3 years ago
7

Temperature is a measure of the average ____________ energy of an object's particles. light mechanical potential kinetic

Physics
2 answers:
Zielflug [23.3K]3 years ago
6 0
Temperature is a measure of the average kinetic energy of the particles of a substance.
Hope this helps! :)
Helen [10]3 years ago
3 0

Answer:

Kinetic

Explanation:

Kinetic energy is due to the speed or movement of the particles. When an object is heated, the particles in it absorb the heat energy and as a result, the speed of the particles increases.

Average kinetic energy of the particles or of a system is directly proportional to the absolute temperature.When the temperature is lowered, the speed decreases and as a result kinetic energy also decreases.

When the temperature increases, the speed of the particles increases and  hence kinetic energy also increases.

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If light intensity obeyed an inverse square law you would expect to find the intensity of light to decrease as the square of the
Reptile [31]
Inverse square law: \frac{I_{2} }{I_{1}}= (\frac{d{2} }{d_{1}})^2
where 
I_{1} is the intensity at distance 1
I_{2} is the intensity at distance 2
d_{1} is distance 1
d_{2} is distance 2

The inverse squared law state that intensity decreases in inverse proportion to the distance squared. So if light obeyed that rule, it will decreases its intensity as the square of the distance increases.

We can conclude that the correct answer is: true.
4 0
3 years ago
Read 2 more answers
What is the drawback to using superconductors?
Fittoniya [83]

Answer:

Option A

The cost of keeping the semiconductor below the critical temperature is unreasonable

Explanation:

First of all, we need to understand what superconductors are. Superconductors are special materials that conduct electrical current with almost zero resistance. This means that there is little or no need for a voltage source to be connected to them. As a matter of fact, once a superconductor is connected to a power supply, one can remove the power supply and the current will still flow.

However, most superconducts can only conduct at very low temperatures up to -200 degrees Celcius. This is because, at that temperature, their atoms and molecules are relatively settled, hence they pose little or no resistance to the flow of current.

This as you can guess is extremely difficult to do, as you will need a lot of effort to cool it to that temperature and maintain it.

This makes option a the answer:

The cost of keeping the semiconductor below the critical temperature is unreasonable.

7 0
2 years ago
. The magnitudes of two forces are measured to be 120 ± 5 N and 60 ± 3 N. Find the sum
Tju [1.3M]

Explanation:

120+60=180

120-60=60

5 0
2 years ago
The pressure of a gas contained in a cylinder with a movable piston is 490 Pa. The area of the piston is 0.8 m2. Calculate the m
andriy [413]
Hello! Please answer my question that I just posted I really need answers. I don’t know sorry hope u fine someone that does know
8 0
3 years ago
4. A light string is attatched to a heavy rope, and the whole thing is pulled tight. A wave is sent along the light string. When
ale4655 [162]

Answer:

The correct answer to the question is (A)

When it hits the heavy rope, compared to the wave on the string, the wave that propagates along the rope has the same (A) frequency

Explanation:

The speed of a wave in a string is dependent on the square root of the tension ad inversely proportional  to the square root of the linear density of the string. Generally, the speed of a wave through a spring is dependent on the elastic and inertia properties of the string

v = \sqrt{ \frac{T}{\mu } } =  \sqrt{ \frac{T}{m/L } }

Therefore if the linear density of the heavy rope is four times that of light rope the velocity is halved and since

v = f×λ therefore  v/2 = f×λ/2

Therefore the wavelength is halved, however the frequency remains the same as continuity requires the frequency of the incident pulse vibration to be transmitted to the denser medium for the wave to continue as the wave is due to vibrating particles from a source for example

7 0
2 years ago
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