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PilotLPTM [1.2K]
3 years ago
14

Forces at a Distance

Physics
1 answer:
Tanya [424]3 years ago
4 0
I think it’s the third answer your Welcome mark me brainliest please
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Which interaction of nature is weakest?
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Electromagnetic would be the weakest interaction of nature.
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3 years ago
Two parallel-plate capacitors, identical except that one has twice the plate separation of the other, are charged by the same vo
erik [133]

Answer:

The capacitor having less distance of separation has a stronger electric field.

Explanation:

The capacitors are identical and only difference between them is that one has twice the plate separation of the other. Therefore, capacitance of the given capacitors C1 and C2 is,

C1= Aε/d  and C2=Aε/2d

The charges Q1 and Q2 on the capacitors of capacitance C1 and C2 respectively, is then given by the equation,

Q1=VC1

Q1=VAε/d

Q2=VC2

Q2=VAε/2d

Therefore, the surface charge density σ1 and σ2 for the capacitors is,

σ1=Q1/A

σ1=VAε/(d*A)

σ1=Vε/d

Similarly,

σ2=Q2/A

σ2=Vε/2d

The electric field between the plates is directly proportional to the surface charge density. And so electric field is inversely proportional to the distance of separation. Therefore the capacitor whose distance of separation is less has a stronger electric field.

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3 years ago
What disagrees with laplace hypothesis of the suns formation
slega [8]

Answer:

The sun's mass moved toward the outer edge of it

Explanation:

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5. Taking a child away from their parents is _____________, so taking your hand away from your body is _______________.
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Answer:

Taking a child away from their parents is awful, so taking your hand away from your body is awful.

I'm not sure if there were word choices for this particular question, but I do hope this helps!

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3 years ago
A researcher determined the amount of electrical energy entering a neon lighted sign and compared it with the amount of light pr
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The best explanation of the observation of the researcher is that some of the energy is converted into thermal energy (option C).

<h3>How does energy transfer?</h3>

Energy, according to the law of conservation of energy, cannot be created nor destroyed but transformed.

According to this question, a researcher found that the amount of light energy produced in a neon lighted sign was less than the amount of electrical energy used.

This suggests that some of the energy is converted into thermal energy.

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2 years ago
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