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andre [41]
3 years ago
11

Flying plane

Physics
2 answers:
worty [1.4K]3 years ago
6 0

Answer:

A these are object in motion that have kinetic energy

Fittoniya [83]3 years ago
5 0

Answer

a. These are objects in motion that have kinetic energy.

Explanation:

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The correct answer is - oxygen.

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Improving the cardiovascular system helps in delivering oxygen as per the demands with the help of the heart that pumps the oxygen-rich blood to different organs of an individual and lungs by inhaling enough oxygen.

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3 years ago
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diffusion is the answer.

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Question 10 of 10 When light passes through a small opening in a barrier, it bends to spread out on the other side of the openin
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C. It is the result of diffraction

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2 years ago
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What is the origin of the atomic emission spectrum of an element
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Answer:

The electronic transition of an electron back to a lower energy level generates an emission spectrum.

Explanation:

The atomic emission spectrum¹ of an element has its origin when an electronic transition² occurs. An electron in an atom or ion³will absorb energy coming from a source and pass to a higher energy level, the electron, upon returning to its base state will emit a photon⁴ or a series of photons.

Hence, that leads to the formation of an emission spectrum.

Remember that an electron has energy levels in an atom or ion, at which each energy level has a specific value.

The energy values will differ from one element to another. So, it can be concluded that each element has a unique pattern of emission lines.

Key terms:        

¹Spectrum: Decomposition of light in its characteristic colors.

²Electronic transition: When an electron passes from one energy level to another, either for the emission or absorption of a photon.

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⁴Photon: Elementary particle that constitutes light.

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3 years ago
How does increasing the tension of a spring affect a wave on the spring?
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