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storchak [24]
3 years ago
14

How does heat transfer by evaporation?

Physics
2 answers:
Len [333]3 years ago
4 0
Well, it's kinda hard to explain but I'll try. So let's say you leave a water bottle open in the sun. The heat sucks up the water.
Nat2105 [25]3 years ago
3 0
It's complicated and hard to explain, but I'll try my best.
Evaporation occurs when a liquid changes to a gas, but only on the surface of the liquid volume. The gas molecules transfer heat to the liquid molecules. An unequal distribution of heat causes some liquid molecules to become gas molecules. It is random and uneven. Energy from the sun also spawns evaporation. When evaporation does happen, the molecules that leave the liquid body takes a lot of heat with it, therefor the average temperature of the liquid decreases. Evaporation depends on heat, humidity, and air movement. Hope that helped :))
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A periodic wave travels from one medium to another. Which pair of variables are likely to change in the process? A. velocity and
Lesechka [4]

Answer:

A. velocity and wavelength

Explanation:

When a wave travels from one medium to another it undergoes refraction which results to the change in direction.

Refraction of a wave is one of the property of waves that occurs when a wave changes direction when it passes from one medium to another. This occurs as a result of bending of the wave which occurs since the mediums involved are of different density and refractive index.

Apart from the change in direction, refraction is accompanied by the change in wavelength of a wave and thus a change in speed.

5 0
4 years ago
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alexgriva [62]
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5 0
3 years ago
A person on a sled coasts down a hill and then goes over a slight rise with speed 2.7 m/s. The top of the rise can be modeled as
Paladinen [302]
Since we're dealing with radial acceleration around a circle, I used the radial acceleration equation a=v²/r. At the top of the hill, the force upward exerted by the hill is less than the weight of the sled.  if v is large enough the term (g-v²/r) will become 0 and the sled will fly off the ground as it reaches the peak.  Let me know if I can clarify any of my work.

8 0
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What is force? In physics class eleven​
spayn [35]

Answer:

Explanation:

In Physics, force is defined as: The push or pull on an object with mass that causes it to change its velocity. Force is an external agent capable of changing the state of rest or motion of a particular body. It has a magnitude and a directionForce is an external agent capable of changing the state of rest or motion of a particular body. It has a magnitude and a direction. The direction towards which the force is applied is known as the direction of the force and the application of force is the point where force is applied.

The Force can be measured using a spring balance. The SI unit of force is Newton(N).

4 0
3 years ago
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ra1l [238]

Answer:

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8 0
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