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4 years ago

A two-track mind means that:

Physics

1 answer:

alex41 [277]4 years ago

3 0

Answer:

D. your brain is processing things on the conscious and unconscious

levels.

Explanation:

Consciousness is the awareness of ourselves and our environment.The two-track mind means that perception, memory, thinking, language, and attitude all operate on two levels conscious and unconscious level.

Glad to help!!

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How can you determine the number of valence electrons in atom without drawing a Bohr model?

grigory [225]

Using your periodic table if you look at it 3-11 are tansition metals so the horizontal Group Number will help if the group number has to digits just remove the one so if it were to be 13, the valence would be 3, if it were 14 the valence would be ,4 if it were 15, the valence would be 5, if it were 16 the valence would be 6, if it were 17 the valence would be 7 if it were group 18 the valence would be 8 so if anymore help needed to explain hit me up

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3 years ago

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In a ruby laser, an electron jumps from a higher energy level to a lower one. if the energy difference between the two levels is

Vaselesa [24]

The wavelength of the emitted photon is( $\lambda$ )= 690nm

<h3>How can we calculate the wavelength of the emitted photon?</h3>

To calculate the wavelength of the photon we are using the formula,

$\triangle E= \frac{h\times c}{\lambda}$

Or, $\lambda= \frac{h\times c}{\triangle E}$

We are given here,

$\triangle E$ = The energy difference between the two levels = 1. 8 ev= $1.8\times 1.6 \times 10^{-19}$ C.

h= Planck constant = $6.626\times 10^{-34}$ Js.

c= speed of light = $3\times10^8$ m/s.

We have to find the wavelength of the emitted photon = $\lambda$ m.

Therefore, we substitute the known parameters in the above equation, we can find that,

$\lambda= \frac{h\times c}{\triangle E}$

Or, $\lambda= \frac{6.626\times 10^{-34}\times 3\times 10^8}{1.8\times 1.6 \times 10^{-19}}$

Or, $\lambda= 690\times 10^{-9}$ m

Or, $\lambda$ =690 nm.

From the above calculation we can conclude that the wavelength of the emitted photon is 690nm.

Learn more about ruby laser:

brainly.com/question/17245697

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2 years ago

Tick (3) the correct statement about electrostatic charges.

Radda [10]

Answer:

similar type of electric charges attract one another

I think this is a coorect staement

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3 years ago

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Why is the reactor coolant water kept contained within the primary loop instead of allowing it to mix with the feed water and le

uysha [10]

For the answer to the question above, I the answer is yes, It is both contaminated and radioactive at the same time. That's why they keep the water spinning.I hope my answer helped you. Have a nice day!

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3 years ago

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Can anyone help me with factor-label method for physics (in pic)

seropon [69]

Hello there!

I can help you out with #15 to help get you started/ unstuck! :)

So I see you have your conversion table drawn! Fantastic!

So you start off by putting the GIVEN unit in the first (top) space.

12 g

Next, you put " 1 g " ( 1 gram ) below, and to the right of it. (Diagonal right 1 block).

Why 1 gram? Because the units g will cancel each other out!

So on the box NEXT to your 12 g, put ___kg. This will give you your new unit.

For now, you can search up how many kilograms there are in a gram but it'll be very helpful in the future to have it memorized. :)

Clarification:

"How many kg are there in a g?"

We do this because the bottom says " 1 gram," so since we're converting grams to kilograms, we're converting 1 gram to ___ kilograms.

After filling out your chart, multiply the tops together! Cancel out units, and use a calculator if it's allowed! :)

Summary:

1). Make an empty conversion table.
2). Start with the given unit in the top left space.
3). Move down, and to the right: Put 1 (unit). This will cancel the units out later.
4). Above the 1 (unit), put (???) (new unit).

To find (???) simply search it up. :)

Ex). "How many kg are there in 1 g?"

The units should cancel out on their own. :)

With this, it simply takes practice. I'm sure you'll get the hang of it in no time! :D

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DISCLAIMER: I am not a professional tutor or have any professional background in your subject. Please do not copy my work down, as that will only make things harder for you in the long run. Take the time to really understand this, and it'll make future problems easier. I am human, and may make mistakes, despite my best efforts. Again, I possess no professional background in your subject, so anything you do with my help will be your responsibility. Thank you for reading this, and have a wonderful day/night!

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3 years ago