2 years ago

If a person believes that dreams have hidden meaning he or she would agree with Freud's ideas about _ content

Physics

1 answer:

uysha [10]2 years ago

4 0

A.lucid because it makes more sense yo the answer how about you do it yourself

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What is the source of energy

liberstina [14]

Fossil Fuels is the largest source for energy

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2 years ago

Energy can be changed from one form to another. Which terms can be used to describe these changes? Check all

Ne4ueva [31]

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the answer is Energy conversion

Explanation:

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1 year ago

Two parallel plates that are initially uncharged are separated by 1.7 mm, have only air between them, and each have surface area

yaroslaw [1]

Answer:

$5.63\cdot 10^{-6} C$

Explanation:

The capacitor of a parallel-plate capacitor is given by:

$C=\epsilon_0 \frac{A}{d}$

where

A is the area of each plate

d is the separation between the plates

$\epsilon_0$ is the vacuum permittivity

The energy stored in a capacitor instead is given by

$U=\frac{1}{2}\frac{Q^2}{C}$

where

Q is the charge stored in each plate

Substituting the expression we found for C inside the last formula,

$U=\frac{1}{2}\frac{Q^2 d}{\epsilon_0 A}$

And re-arranging it

$Q=\sqrt{\frac{2U\epsilon_0 A}{d}}$

Now if we substitute

$d=1.7 mm=0.0017 m\\A=16 cm^2 = 16\cdot 10^{-4} m^2\\U = 1.9 J$

We find the charge stored on the capacitor:

$Q=\sqrt{\frac{2(1.9)(8.85\cdot 10^{-12})(16\cdot 10^{-4})}{0.0017}}=5.63\cdot 10^{-6} C$

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2 years ago

How are the electric field lines around a positive charge affected when a second positive charge is near it?

Liono4ka [1.6K]

Answer:Because it likes to repel and attract opposites

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2 years ago

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Arlecino [84]

Conseguir

example: donde puedo conseguir azúcar.

Where can I come by sugar

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