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Usimov [2.4K]
3 years ago
15

Can u help me please

Physics
1 answer:
cestrela7 [59]3 years ago
5 0
A) diagram x
gas particles spread further apart when being diffused
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What is the overall function of the circulatory system and how do the organs of this system work together to achieve this goal?
ale4655 [162]

Answer:

The main purpose of the circulatory system is to transport blood, oxygen, nutrients and hormones to and from different cells and tissues throughout the body.

Explanation:

This system works hand-in-hand with the respiratory system to facilitate the exchange of oxygen and carbon dioxide within the blood per the alveoli in the lungs.

8 0
3 years ago
A tornado has been spotted in your area. The tornado warning said that the funnel cloud is traveling east at 40 miles per hour.
Katena32 [7]
The warning has given us the tornado's VELOCITY, since it gave us both the speed and direction.
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3 years ago
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The wavelength corresponding to light with a frequency of 4 x 10^14 Hz is 1.33m 0.075 mm 7500 nm 750 nm
Scorpion4ik [409]

Answer:

Wavelength of light is 750 nm.

Explanation:

It is given that,

Frequency of light, \nu=4\times 10^{14}\ Hz

The relationship between the wavelength and the frequency of light is given by :

c=\nu\times \lambda

Where

c = speed of light

\nu = frequency of light

\lambda = wavelength of light

\lambda=\dfrac{c}{\nu}

\lambda=\dfrac{3\times 10^8\ m/s}{4\times 10^{14}\ Hz}

\lambda=7.5\times 10^{-7}\ m

\lambda=750\ nm

Hence, the correct option is (d) "750 nm".

7 0
4 years ago
The change of an atom from the excited state to the ground state always requires _______
lawyer [7]

Answer: emission of electromagnetic radiation

Explanation:

When an atom is in its <u>ground state</u>, its electrons fill the lower energy orbitals completely before they begin to occupy higher energy orbitals.  

On the other hand, when an atom is <u>excited (</u>it has left its ground state, in which each electron occupies its place in its orbit, around the nucleus),  some electron jumps out of the orbit it occupied in its fundamental state to an outer orbit, further away from the nucleus and then return to the ground state, emitting in the form of electromagnetic radiation (light which may be visible or not) the energy received.  

So, when an excited electron passes from an outer orbit to the ground state, it produces electromagnetic radiation of a specific wavelength that depends on the amount of energy the electron releases in the process.

Therefore:

<h3>The change of an atom from the excited state to the ground state always requires <u>the emission of electromagnetic radiation.</u></h3>
8 0
3 years ago
Can someone please tell me what this instrument is and how it works please? thanks! (◡‿◡ʃ♡ƪ)
Lerok [7]

Answer

Refracting telescope

Explanation:

3 0
3 years ago
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