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Amanda [17]
3 years ago
10

These pairs of forces are known as ____________-reaction pairs because one pushes against the other with an equal but opposite f

orce.
Physics
1 answer:
victus00 [196]3 years ago
5 0
Action-reaction pairs
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As a rough approximation, the human body may be considered to be a cylinder of length L=2.0m and circumference C=0.8m. (To simpl
Brilliant_brown [7]

Answer:

Thermal Power = 460W

Explanation:

From Stephan-Boltzmann Law Formula;

P = єσT⁴A

Where,

P = Radiation energy

σ = Stefan-Boltzmann Constant

T = absolute temperature in Kelvin

є = Emissivity of the material.

A=Area of the emitting body

Now, σ = 5.67 x 10^(-8)

є = 0.6

Temperature = 30°C and coverting to kelvin = 30 + 273 = 303K

Area ; since we are to consider the sides of the human body as 2m and 0.8m,thus area = 2 x 0.8 = 1.6

Thus thermal power = 0.6 x 5.67 x 10^(-8) x303⁴ x 1.6 = 458. 8W

Normally, we approximate to the nearest 10W. Thus, thermal power is approximately 460W

4 0
3 years ago
5. Peter had an inflated balloon that he released and flies across the room. The balloon slows down and then stops on top of the
Sergio039 [100]
I think it is c because it was slowing down I don’t know for sure
5 0
3 years ago
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A mango fruit drops from the top of it's tree which is 40 m. How long does it takes to reach the ground
IrinaVladis [17]
T=distance over speed
T=40m over 9.8ms
T=answer
4 0
3 years ago
What evidence do we have that Earth has a magnetic field surrounding the planet?
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A compass works the way it does because Earth has a magnetic field that looks a lot like the one in a magnet. The Earth's field is completely invisible, but it can be felt by a compass needle on the Earth's surface, and it reaches thousands of miles out into space.
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3 years ago
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two electronics students are discussing electrical units. student A says that electrical power is measured in units coulombs, st
Savatey [412]
The statements of both students are incorrect.

-- Electrical power, just like mechanical power, is expressed in units of watts.
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-- 'Volt' is the unit of electromotive force (or potential difference).

There are no 'following statements'.

All in all, a very disappointing question.

8 0
3 years ago
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