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Oksanka [162]
2 years ago
8

What of the following does NOT influence resistance? *

Physics
1 answer:
Marina86 [1]2 years ago
4 0

Answer:

D. Number of components

Explanation:

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A train moving near the speed of light enters a tunnel. According to a person standing in the middle of the tunnel, the back end
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Answer: The person sitting in the middle of the train sees the back of the train enter ing the tunnel before the front end comes out.

Explanation:

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3 years ago
Alyssa is wins a lottery. According to the concept of the hedonic treadmill,
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Answer: the first answer is correct

Explanation:

she goes back to a stable feeling

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Unpolarized light passes through a combination of two ideal polarizers. The transmission axes of the first polarizer and the sec
Yuliya22 [10]

Answer:

62.5 %

Explanation:

Let the initial intensity of unpolarized light is Io.

After first polariser the intensity of light becomes I'.

So, I' = \frac{I_{0}}{2}

Now it passes through another polariser. The angle between the first polariser and the second polariser is given by Ф. The intensity is I''.

According to the law of Malus

I'' = I' Cos^{2}\phi

Here, Ф = 30 degree

I'' = \frac{I_{0}}{2} Cos^{2}30=0.375I_{0}

The percentage change in the intensity is given by

\frac{I_{0}-I''}{I_{0}}\times 100=\frac{I_{0}-0.375I_{0}}{I_{0}}\times100

= 62.5 %

7 0
2 years ago
What is the lithosphere
hoa [83]

Answer:

the rigid outer part of the earth, consisting of the crust and upper mantle.

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3 years ago
Read 2 more answers
two small charged objects repel each other with a force 2.53 when separated by a distance 0.11. if the charge on each object is
Mekhanik [1.2K]

The force between the charges will be 10.9 N.

<h3>What is the electrostatic force?</h3>

The electrostatic attraction particles that make up the electrostatic force behave as both an attracting and a repulsive force. The force is inversely proportional to the square of the distance between them.

F ∝ 1 / r²

F = k / r²

Fr² = k

When two tiny charged objects are 0.11 of a distance apart, they repel one another with a force of 2.53. If the distance between the two particles is cut to 0.053 and the charge on each item is decreased to 67.9% of its initial amount. Then the force will be

F₁r₁² = F₂r₂²

2.53 × (0.11)² = F × (0.053)²

F = 10.9 N

More about the electrostatic force link is given below.

brainly.com/question/9774180

#SPJ4

3 0
1 year ago
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