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Rus_ich [418]
4 years ago
6

A car engine burns fuel and has moving parts. Sometimes, an engine can become too hot and overheat. What can prevent the engine

from overheating?
Physics
2 answers:
arsen [322]4 years ago
6 0

there many things you could do, one is try getting a cooling system, another thing is its extramly hot and you may need to tunr off your car to prevent the engine from over heating.


Ahat [919]4 years ago
4 0

If I'm not mistaken the only prevention I know of is coolant and the only thing I can think of is that the car ran out of coolant.  If your car is overheating it can either be because the coolant is not moving fast enough, the heat isn't getting transferred out of the engine to the coolant, or it is not getting transferred out of the coolant to the air through the radiator

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When you drink cold water, your body must expend metabolic energy in order to maintain normal body temperature (37° C) by warmi
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Answer:

7.72 Liters

Explanation:

normal body temperature = T_body =37° C

temperature of ice water = T_ice =0°c

specfic heat of water = c_{water} =4186J/kg.°C

if the person drink 1 liter of cold water mass of water is = m = 1.0kg

heat lost by body is Qwater =mc_{water} ΔT

                                           = mc{water} ( T_ice - T_body)

                                             = 1.0×4186× (0 -37)

                                             = -154.882 ×10^3 J

here negative sign indicates the energy lost by body in metabolic process energy expended due to brisk - hour long walk is Q_{walk} = 286 kilocalories

            = 286×4186J

so number of liters of ice water have to drink is

n×Q_{water} =Q_{walk}                                                                        n= Q_{walk}/ Q_{water}

= 286×4186J/154.882×10^3 J

 = 7.72 Liters

7 0
3 years ago
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Suppose that a rectangular toroid has 1,500 windings and a self-inductance of 0.060 H. If the height of the rectangular toroid i
V125BC [204]

Answer:

Current in the toroid will be I=17.32\times 10^{-3}A

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9\times 10^{-6}=\frac{1}{2}\times 0.06\times I^2

I=17.32\times 10^{-3}A

So current in the toroid will be I=17.32\times 10^{-3}A

5 0
4 years ago
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You are true, Stokey.  The correct choice is<em> (c)</em>.

If you think about it a little bit more, you'll realize that "side to side" is also a horizontal motion.  

Anyway, the question told us that we're only talking about 2 dimensions.  Well, the The measurements in the 2 dimensions are the x and the y .  If there were a z measurement, that would be the 3rd dimension.

7 0
3 years ago
i need help with queston like right now. Each molecule of iron oxide, Fe2O3, contains ____________________ atom(s) of iron.
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¿Cuál es la constante de proporcionalidad entre Y y X2?
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