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Orlov [11]
3 years ago
14

Which 4 human activities are the biggest contributors to Climate Change?

Physics
1 answer:
puteri [66]3 years ago
7 0

Answer:

I don't know if these are the biggest but they are burning fossil fuels factories that release CO2 driving cars and cutting down trees.

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If your wave comes into contact with a different medium and is returned to the original medium it is known as:
Strike441 [17]
The return of a wave back to its original medium is called an reflection 
8 0
3 years ago
Does the response of the light bulb depend on how fast you move the bar magnet? if so, how?
Illusion [34]

Yes , the response of the light bulb depend on how fast you move the bar magnet

Flux is the presence of a force field in a specified physical medium, or the flow of energy through a surface

Lenz's law states that the induced electromotive force with different polarities induces a current whose magnetic field opposes the change in magnetic flux through the loop in order to ensure that the original flux is maintained through the loop when current flows in it.

Yes, waving a magnet around does create an electromagnetic wave which does affect the light bulb .

Due to motion of the bar, there will be a constant change in flux and due to  Lenz's Law a current within the coil will be induced . This induced current can be used to power the light bulb.

As we know that the greater the speed, the greater the magnitude of the current, and the current is zero when there is no motion.

There will be change in brightness as the bar moves with faster speed.

To learn more about Lenz's Law

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7 0
1 year ago
Mercury has one of the lowest specific heats. This fact added to its liquid state at most atmospheric temperatures make it effec
UNO [17]

The specific heat of mercury is 149.4 J/(kgK)

Explanation:

When a substance is supplied with an amount of energy Q, its temperature increases according to the equation:

\Delta T=\frac{Q}{mC_s}

where

\Delta T is the increase in temperature

m is the mass of the sample

C_s is its specific heat capacity

For the sample of mercury in this problem we have

Q = 275 J

m = 0.450 kg

\Delta T = 4.09 K

Therefore, by re-arranging the equation we find the mercury's specific heat:

C_s = \frac{Q}{m\Delta T}=\frac{275}{(0.450)(4.09)}=149.4 J/(kgK)

Learn more about specific heat capacity:

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5 0
3 years ago
What is Gravity?<br>PLEASE ANSWER ​
jolli1 [7]

Answer:

Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.

<em><u>Please mark as brainliest</u></em>

Have a great day, be safe and healthy

Thank u  

XD

7 0
3 years ago
Read 2 more answers
Clouds, wind, and rain are part of the _____.
Musya8 [376]
A its Stratosphere, Sorry I didn't see your answer, its bilogy I think not physics.. :)
8 0
3 years ago
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