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marshall27 [118]
3 years ago
14

A metal ion (X) with a charge of 4+ is attracted to a nonmetal ion (Z) with a

Physics
1 answer:
Keith_Richards [23]3 years ago
8 0

Answer:

A) X3Z4

Explanation:

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Unpolarized light with an average intensity of 845 W/m2 enters a polarizer with a vertical transmission axis. The transmitted li
RideAnS [48]

The concept to develop this problem is the Law of Malus. Which describes what happens with the light intensity once it passes through a polarized material.

Mathematically this can be expressed as

I = I_0 cos^2\theta

Where

I = New intensity after pass through the Polarizer

I_0= Original intensity

\theta = Indicates the angle between the axis of the analyzer and the polarization axis of the incident light.

When the light passes perpendicularly through the first polarizer, the light intensity is reduced by half which will cause the intensity to be 225W / m ^ 2 at the output of the new polarizer, mathematically:

I= \frac{I_0}{2} cos^2\theta

225 = \frac{845}{2}cos^2\theta

Solving to find the angle we have

\theta = 43.11\°

The orientation angle of the second polarizer relative to the first one is 43.11°

5 0
3 years ago
A rocket is launched straight up from the earth's surface at a speed of 1.60×104 m/s . what is its speed when it is very far awa
AlladinOne [14]
16,000 m/s
Since it’s speed, and the distance is unknown. Gravity isn’t applying a noticeable force too on the rocket, as if it were, then the rocket would be accelerating negatively.
7 0
4 years ago
In what direction does the induced current flow in the loop?
bogdanovich [222]

Answer:

Clockwise and counter clockwises, depands.

Explanation:

The direction of current in a loop of wire in a magnatic field depands on the direction in which the loop is moved and the applied magnatic field.

this is determined by what is called right hand rule.

I will give one scenario, let's say that the loop is moved upwards and the applied magnatic field is into the page (if you drew the loop in 2D on a piece of paper), in this case the direction would be clockwise.

6 0
3 years ago
How long does it take for light to get to earth from the moon?
FrozenT [24]
About 1.3 SECONDS.............
4 0
3 years ago
You are writing a short report to a familiar audience and plan to use an informal
miskamm [114]

The thing that the presenter can do to make the presentation to appear informal is to use contractions such as won't, it's, let's, and we're.

<h3>What is a report?</h3>

The term report refers to any formal presentation. It is usually made as part of an academic course or as part of professional development. It could be given while a person is hoping for promotion at a job that he or she is doing.

We have to bear in mind that the audience to whom the report is being presented is a familiar audience hence the presentation can be quite informal and devoid of the formality of presentation of reports as we know it to be.

Now, the focus is to make the presentation to look informal. The thing that the presenter can do to make the presentation to appear informal is to use contractions such as won't, it's, let's, and we're.

Learn more about a report:brainly.com/question/14969693

#SPJ1

7 0
2 years ago
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