In your own words, define the following terms. Radiation, Convection, and conduction.

Answers

Answer 1

Answer: Radiation: transferred energy
Convection: Transfer of heat
Conduction: transfer of electric charge

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Explain how mirrors can produce images that are larger or smaller than life size, as well as upright or inverted
31 POINTS COME AN GET IT PPL!If a satellite or spaceship explodes in outer space, you can see the explosion from a distance but you cannot hear it. Why? A)Light waves travel very fast and sound waves travel much slower. B)Sound waves transmit energy while light does not transmit energy. C)Sound is a mechanical wave and needs a medium to travel through while light is an electromagnetic wave. D)Light is a mechanical wave and needs a medium to travel through while sound is an electromagnetic wave

40 g of magnesium and 40 g of oxygen react in a chemical reaction in a close system which of the following must result

Answers

Answer:

Option "D" is the correct answer to the following question.

Explanation:

According to The law of conservation of mass, in a chemical reaction mass neither created nor destroyed.

So,

Total product = Mass of magnesium + Mass of oxygen

Total product = 40 gram + 40 gram

Total product = 80 gram

Therefore, option "D" is the correct answer

Answer please thank you

Answers

the consumers would start to die off

The answer would be the consumer

What is polygamy? Explain please:)

Answers

I always thought that 'polygamy' refers to the social system in which a man
may have more than one wife, and I thought there's some other word for
where a woman is married to more than one man.

But when I went to look it up just now to answer your question, (which by the
way you could also have done very easily), I found a definition that says it's a
"state of marriage between many spouses". That doesn't specify genders, so
I guess it means any marriage that involves more than two people, no matter
how the genders may be represented or distributed within it.

Polygamy is the marriage that includes two or more partners, like a husband with four wives.

The rotational speeds of four generators. are listed in RPM arrange the generators in order based on the electric fields they create. Start with the weakest electric field and end with the strongest. Assume that the generators are identical except for their speed

Answers

with the same generator, so the only factor for producing

the slectric field is only the speed. The faster the rotational speed of the

generator the greater it produce electric field. So the sequence is 3000 rpm

< 3200 rpm < 3400 rpm < 3600 rpm

In the national grid,what does the step up transformer do?

Answers

In the National Grid, the Step Up Transformer increases the amount of voltage that is passing through the grid at any one time. These are used at power stations, as without them, there would not be enough power to transport the electricity around the national grid.
Hope this helps :)

The power that's lost when current flows through anything is

(current)² times (resistance).

You can see that in order to minimize the power lost in transporting electrical
energy from one place to another, you'd want to make both the resistance of
the conductors and the current through the lines as low as possible.

The resistance is reduced by using heavier (fatter) conductors, and using
as much silver or copper in them as possible ... both very expensive.

Power = (current) times (voltage), so the way to reduce the current while
shipping the same power from place to place is to increase the voltage.
That's exactly what the transformer does ... it changes the voltage and
current, while keeping their product the same. It's used to step the voltage
up for transmission, in several steps from the generating station all the way
to the residential neighborhood, and then finally back down, on the pole
near your house.

10. A girl pulls a wagon along a level path for a distance of 44 m. The handle ofthe wagon makes an angle of 22° above horizontal. If she pulls on the
handle with a force of 87 N, how much work is done?