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Rus_ich [418]
3 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]3 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]3 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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A man of 60kg moves in a lift of constant velocity 5m/s .What is the reactive force acting on the man by the elevator?
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Answer:

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Explanation:

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The brain mass of a human fetus during a particular trimester can be accurately estimated from the circumference of the head by
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Answer:

a. If c = 20 cm, then the mass of the brain is m = 5 g.

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Explanation:

From the equation

m\left(c\right) = \frac{c^3}{100}-\frac{1500}{c}

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m\left(20\right)=\frac{20^3}{100}-\frac{1500}{20}=5,

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b. In order to find the rate of change, first we derivate

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Evaluated at c = 20 cm, we have

\frac{dm}{dc}|_{c=20}=\frac{3\times 20^2}{100}+\frac{1500}{20^2}=15.75.

So, at c = 20 cm, the mass of the brain is increasing at a rate of 15.75 g/cm.

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