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Natalija [7]
2 years ago
10

How does an atom change if all of its electrons are removed?

Physics
1 answer:
Alex2 years ago
6 0
<span>The atom becomes positively charged.

When you add electrons to a neutral atom, it is no longer a neutral atom, it has a negative change and is an anion. When you take away electrons from a neutral atom, it is no longer a neutral atom- it becomes a positive atom, and is a cation.</span>


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find the resultant in the x-direction , Rx and y-direction , Ry for F1 = 2.5n in the positive x-direction f2 = 1n in the negativ
Advocard [28]

The resultant in the x-direction:

Rx = F1 + F2 = 2.5 N - 1 N =  1.5 N .


The resultant in the y-direction:

Ry = F3 + F4 = 2 N - 3 N =  -1 N.

5 0
3 years ago
Two students conduct a study to investigate the relationship between forearm length and height. Maria measures the subjects in c
inn [45]

Answer:

r = 0.86

Explanation:

Correlation coefficients are the strength of the relationship between two variables.

Correlations can indicate anywhere between

  • 1 - for a strong positive relationship.
  • -1 - for a strong negative relationship.
  • 0 - for no relationship at all.

Looking at sample correlation coefficient formula which says

r_{xy} = S_{xy} ÷ (S_{x} × S_{y})

where S_{x} and S_{y} are the sample deviations and S_{xy} is the sample covariance, all of which will remain the same for Maria and John.

Hence, John's correlation will be approximately 0.86 since he would have approximately the same measurement as Maria's measurement when Maria's measurement is converted from centimeters to inches.

4 0
3 years ago
How much stronger is the gravitational pull of the sun on earth
Alex777 [14]
28 times stronger than the force of gravity on the surface of the Earth.
6 0
3 years ago
A burning candle provides :
mixer [17]
This would be B



Hope this helped
8 0
2 years ago
1. The statement about Newton's reflecting telescope contains 1 error. Find the error, write it, and
Jlenok [28]

Answer:

i. The error is the rough convex mirror.

ii. This should be replaced with a smooth convex morror.

Explanation:

Reflection is dependent on the surface involved and has two types; diffuse and specular. When the surface is rough, diffused reflection is observed. The surface causes a distortion of the incident light (the rays would be reflected at different angles to one another) after reflection. This makes some rays to interfere with one another. While specular reflection is observed with a smooth surface.

In the statement, the rough convex mirror would produce a distorted reflection which would produce diffused reflection. The effect is that few or no rays (depending on the degree of how rough the surfce is) would be reflected to the other smooth, flat diagonal mirror.

8 0
2 years ago
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