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Lorico [155]
3 years ago
10

How is heat transferred?

Physics
2 answers:
Ilia_Sergeevich [38]3 years ago
5 0

Answer:

Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. The better the conductor, the more rapidly heat will be transferred. Metal is a good conduction of heat. Conduction occurs when a substance is heated, particles will gain more energy, and vibrate more.

Convection: The transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature. Warm air is less dense than cold air, and so convection currents can form in the presence of a temperature gradient.

Conduction: The transfer of energy, such as heat or an electric charge, through a substance. In heat conduction, energy is transferred from molecule to molecule by direct contact.

Radiation: The emission or transmission of energy in the form of waves or particles through space or through a material medium. This includes: electromagnetic radiation, such as radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation (γ)

Explanation:

I hope this helps!

leonid [27]3 years ago
4 0

Answer:

convection, conduction, and radiation

Explanation:

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Answer:

t = 96 minutes

Explanation:

Time to mow 1 lawn by Wilma is 80 minutes

so work done in 1 minute by Wilma is given as

W_1 = \frac{1}{80}

Similarly Rocky mow same lawn in 120 minute

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W_2 = \frac{1}{120}

now we know that they both worked by "t" time

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they both mow 2 lawns then it is given as

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A ball is dropped from the top of a building.
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The car starts from a room with a constant acceleration of 5 ms-2. What path will it pass in 6 seconds and what speed will it re
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Explanation:

Given: Initial velocity of the car: u = 0 m/s

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4 0
3 years ago
Two trumpet players are trying to tune their instruments. When they are in tune, they will both be playing the same note and no
marusya05 [52]

Answer:

The second trumpeter will be playing at frequency = 515 Hz

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