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3 years ago

10

When are the days in the northern hemisphere the shortest?

2 answers:

scoundrel [369]3 years ago

7 0

In the colder seasons. The winter solstice is the shortest day of the year which is usually in the third week of December

kolezko [41]3 years ago

3 0

The Winter...? I think...? Ya, it's the Winter. :)

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The light waves have that particular interference from question #1 because they are emitted _____.

Elis [28]

I am attaching the rest of your question so it makes sense,
<span>
Since lasers are made from stacking light waves that add together into a larger wave due to CONSTRUCTIVE INTERFERENCE.
</span>
Then, <span>light waves have that constructive interference (from question #1) because they are emitted IN PHASE with each other.

This means that they arrive at the same point of space with the same characteristics and their effects do not cancel each other, but the opposite, their intensity increases.</span>

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3 years ago

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Which sentences describe central ideas of the video? Select all that apply.

sertanlavr [38]

Answer:

the correct answer is see.

Explanation:

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3 years ago

A 3.0-A current is maintained in a simple circuit that consists of a resistor between the terminals of an ideal battery. If the

harina [27]

Answer:

$R=2.78\ \Omega$

Explanation:

Given that,

The current flowing in the circuit, I = 3 A

The power of the battery, P = 25 W

We need to find the resistance of the battery. We know that the power of the battery is given by the formula as follows :

$P=I^2R$

Put all the values to find R.

$R=\dfrac{P}{I^2}\\\\R=\dfrac{25}{(3)^2}\\\\R=2.78\ \Omega$

So, the resistance is equal to $2.78\ \Omega$ .

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3 years ago

The layer of the Earth that is composed of large plates that interlock and move over time is the _______. asthenosphere lithosph

siniylev [52]

The lithosphere because it includes the outer region of the earth including the crust and outer mantle

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3 years ago

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Which one of Newton's Laws fits this statement:

BabaBlast [244]

Answer:

First Law

Explanation:

I learned this in 6th grade

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3 years ago