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Alex Ar [27]
3 years ago
10

Which type of electromagnetic radiation is useful in communications technology

Physics
1 answer:
lisov135 [29]3 years ago
5 0

Radio, microwaves, infrared, and visible light are all used for communications.

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The water creates less friction between your foot and the ground
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In your own words, explain what a field is in science. Use specific examples to support your explanation.
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Field, In physics, a region in which each point is affected by a force.

Explanation:

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How far does a runner run if he runs for 60 seconds at 5 m/s
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How long have advances in astronomy been occurring? Only for the past few years
solniwko [45]

I'd have to say that the list of choices doesn't go far enough.

Advances in Astronomy have been occurring for at least the past two millennia (2000 years).  Maybe longer.

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4 years ago
To test the hypothesis that the population mean mu=3. 6, a sample size n=14 yields a sample mean 4. 007 and sample standard devi
PolarNik [594]

The P value for the given data set is 25127. For finding P value, we have to must find the Z value.

<h3>How to get the z scores?</h3>

If we've got a normal distribution, then we can convert it to standard normal distribution and its values will give us the z score.

The Z value is calculated as;

Z = \dfrac{X - \mu}{\sigma})

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Z = (4.007 - 3.6) / 0.607

Z = 0.67051

The P value for the given data set is 25127.

Learn more about z-score here:

brainly.com/question/21262765

#SPJ1

5 0
2 years ago
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