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3 years ago

Where is the coolest air found inside an oven

Physics

2 answers:

sveticcg [70]3 years ago

7 0

Answer:

The coolest air is found at the bottom inside an oven

Explanation:

Inside an oven, the process that takes place is the convection of air (heat). In this process, the coolest air that are present at the bottom of the oven gets heated up, due to which it becomes warm and lighter, and eventually rises up towards the upper portion of the oven. As these warm air rises, it again cools and subsequently sinks to the bottom. These air is again heated and the cycle continues, thereby forms convection cells that allows the food items to get warm inside the oven.

Thus, the coldest air is found always at the bottom of an oven due to its higher density.

Y_Kistochka [10]3 years ago

4 0

Answer:

At the bottom

Explanation:

Air is a fluid. When a fluid is heated, such as in the oven, it undergoes convection: the part of the fluid which is heated more becomes less dense than the rest of the fluid (because the molecules move faster, so the separation between them increases), so it moves on top of the fluid, while the colder parts of the fluid, being more dense, move on bottom. Then the colder parts of the fluid are also heated, and they move on top, and this process continues: we say that a convective current is created.

As we just described, therefore, the colder parts of the air remain at the bottom, since they are more dense than the hotter air.

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What is sin1(0.61)? Α. 52.40 Ο Β. 31.40 Ο Ο Ο Ο C. 62.5o Ο D. 37.69

Illusion [34]

36.9

explanation

We want to find

sin^{-1}(0.61)sin

−1

(0.61)

We can use at least a scientific calculator to find the value of the given expression.

The sine inverse function is a secondary function.

So you press SHIFT then press Sin

to access the sine inverse function and then type 0.61 in it.

Close the parenthesis and press "="

This will give you the value.

sin^{-1}(0.61)=37.5895sin

−1

(0.61)=37.5895

We round to the nearest tenth to get,

sin^{-1}(0.61)=37.6\degreesin

−1

(0.61)=37.6°

5 0

3 years ago

Which is mostly an example of pseudoscience

Ratling [72]

Answer:

Pseudoscience consists of statements, beliefs, or practices that are claimed to be both scientific ... For example, pseudoscientific anti-vaccine activism and promotion of homeopathic remedies ... Larry Laudan has suggested pseudoscience has no scientific meaning and is mostly used to describe our emotions: "If we would ...

Explanation:

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4 years ago

Explain what happens in a series circuit if one of the light bulbs stop shining?

Burka [1]

In a series circuit, there's only one path for current, so the current
for each bulb has to go through all of them.

If one bulb stops shining ... either because it burned out, or because
somebody unscrewed it and ran away with it ... then no current can flow
through the place where that bulb used to be, and they ALL go out.

This is the main reason why the lights in your house are NOT in series.
There are a lot of other reasons.

8 0

3 years ago

Read 2 more answers

Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star.

Vsevolod [243]

Answer:

The angular speed of the neutron star is 3130.5 rad/s.

Explanation:

Given that,

Initial radius $r_{1}=7\times10^{5}\ km$