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Studentka2010 [4]
3 years ago
12

Technician A says that cooling fans are designed to draw air through the radiator to aid in the heat transfer process. Technicia

n B says that drawing the heat from the coolant transfers this heat to the outside air through the radiator. Which technician is correct?
Physics
1 answer:
miskamm [114]3 years ago
7 0

Answer:

The correct answer is (A)

Explanation:

Cooling fans are designed to move air through the radiator, this airflow removes heat from the coolant created by the engine using the radiator as a conductor.

These fans are featured in both front and rear-wheel drive vehicles and are activated by a coolant sensor.

All engines have a preferred operating temperature which requires a warm-up period to operate at peak efficiency. When cooling fan operation fails, it will cause the engine coolant to retain heat, forcing the engine to get overheat.

I hope it helps!

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A radio wave transmits 38.5 W/m2 of power per unit area. A flat surface of area A is perpendicular to the direction of propagati
Margaret [11]

Answer:

P=2.57\times 10^{-7}\ N/m^2

Explanation:

Given that,

A radio wave transmits 38.5 W/m² of power per unit area.

A flat surface of area A is perpendicular to the direction of propagation of the wave.

We need to find the radiation pressure on it. It is given by the formula as follows :

P=\dfrac{2I}{c}

Where

c is speed of light

Putting all the values, we get :

P=\dfrac{2\times 38.5}{3\times 10^8}\\\\=2.57\times 10^{-7}\ N/m^2

So, the radiation pressure is 2.57\times 10^{-7}\ N/m^2.

3 0
3 years ago
Which of these is an advantage of using models to study tectonic plate movements?
ratelena [41]
Actual plate movements can be made les frequent.
5 0
3 years ago
What is the purpose of an experiment design?
Eddi Din [679]
An experimental design is used to assign variables for testing. In contrast to a control design where nothing is changed, the experimental design allows you to test various new inputs to see how they would vary from the original results.
5 0
3 years ago
Which list places the layers of the sun in the correct order from outermost to innermost?
Readme [11.4K]

Answer:

The Sun's layers consist of the following in this order.

1) Corona

2) Transition Region

3) Chromosphere

4) Photosphere

5) Convection Zone

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and last but not least 7) The Core

Hope this helps ;)

6 0
3 years ago
qual o nome da posição que o planeta tem maior velocidade? este ponto é mais próximo ou mais afastado do sol?
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Em inglês, esse ponto é 'perihelion' ... 'periélio'. É o mais próximo que a Terra ou o planeta chega do sol.

7 0
3 years ago
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