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Reika [66]
3 years ago
10

Who invented the first practical incandescent light bulb?.

Physics
1 answer:
OverLord2011 [107]3 years ago
6 0

Answer:

Edison

Explanation:

Among other notable inventions, Edison and his assistants developed the first practical incandescent lightbulb in 1879 and a forerunner of the movie camera and projector in the late 1880s.

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Why is the law of gravity an example of a universal law?
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Answer:

A

Explanation:

The most important part about this is not only that objects pull on each other, but that two objects attract each other with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between them. This is known as Newton's law of universal gravitation.

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4 years ago
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Geosphere, hydrosphere, atmosphere, and biosphere.

Therefore, the correct answer is D.
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3 years ago
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A neon lamp produces what kind of visible spectrum?
Shalnov [3]

Answer:

Discrete

Explanation:

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3 years ago
Materials that conduct heat and electricity well in the solid state result when
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Materials that conduct heat and electricity well in the solid state result when metals bond with metals. <span>This type of bonding is called metallic bonding. Metallic bonding is when positive ions (metals) are in a 'sea of negative electrons'. The electrons are delocalised, which means they can move around easily and carry charge, and this enables it to conduct electricity, even in a solid state.</span>
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4 years ago
Refer to the image. Calculate the magnitude of change in velocity of the cue ball.
valkas [14]

Answer:

If you add the 2 velocity vectors you get the velocity of the third vector which is the (change in) velocity of the cue ball after striking the cushion

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2 years ago
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