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Vitek1552 [10]
3 years ago
9

Light travels in a straight line at a constant speed of 300 000 km/s what is the lights acceleration

Physics
1 answer:
exis [7]3 years ago
3 0

Answer:

it's acceleration is 0

Explanation:

since it is travelling at a constant speed it is not accelerating so its acceleration is 0

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A spinning turbine can generate electricity only in the form of a/an _______ current.
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Answer:

A spinning turbine can generate electricity only in the form of an alternating current.

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Light with energy equal to three times the work function of a given metal causes the metal to eject photoelectrons. What is the
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The ratio of the maximum photoelectron kinetic energy to the work function will be 3:1.

<h3 /><h3>What is the photoelectric effect?</h3>

When a medium receives electromagnetic radiation, electrostatically charged particles are emitted from or inside it.

The emission of ions from a steel plate when light falls on it is a common definition of the effect. The substance could be a solid, liquid, or gas; and the released particles could be protons or electrons.

A particular metal emits photoelectrons when exposed to light with energy three times its work function:

\rm KE=3 \phi

The ratio of the maximum photoelectron kinetic energy to the work function will be;

R=\frac{E}{\phi} \\\\ R=\frac{3 \phi}{\phi} \\\\ R= 3

Hence, the ratio of the maximum photoelectron kinetic energy to the work function will be 3:1.

To learn more about the photoelectric effect refer to the link;

brainly.com/question/9260704

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1 year ago
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In actual all living and non living thing can be recycled in nature.

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