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Oksanka [162]
3 years ago
13

What is the farthest distance parallaxes can be used to measure star distances from Earth?

Physics
1 answer:
JulsSmile [24]3 years ago
8 0
Using current technology, useful parallax measurements can only be found for stars up to about 340 light years (100 parsecs) away.
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if the instantaneous current in the circuit is giveen by I=3 sin theta amperes, the rms value of the current will be
Kisachek [45]

Answer:

I_{rms}=2.12\ A

Explanation:

Given that,

The instantaneous current in the circuit is giveen by :

I=3\sin\theta\ A

We need to find the rms value of the current.

The general equation of current is given by :

I=I_o\sin\theta

It means, I_o=3\ A

We know that,

I_{rms}=\dfrac{I_o}{\sqrt2}\\\\=\dfrac{3}{\sqrt2}\\\\=2.12\ A

So, the rms value of current is 2.12 A.

4 0
3 years ago
Why does a balloon stick to a sweater after it has been rubbed against it?
Nataly [62]
Hello,

The balloon sticks to a sweater after it has been rubbed against it because once you rub a balloon against the sweater, the balloon steals electrons from the sweater, which leaves the sweater positively charged and the balloon negatively charged.

Mark brainliest if helped!

8 0
3 years ago
Read 2 more answers
Many of the rocks of the canyon wall appear as horizontal bands. What do the bands indicate about the way the rocks formed?
Yuki888 [10]

Given what we know, we can confirm that the bands indicate that the canyon was carved due to erosion caused by moving water.

<h3>What do these bands tell us about the canyon?</h3>

The bands are the result of sediments being deposited as the canyon was being formed. These sediments are deposited by the running water that carves the canyon. This results in horizontal bands that can tell us much about the history of the canyon as well as the river that formed it.

Therefore, we can confirm that the bands indicate that the canyon was carved due to erosion caused by moving water.

To learn more about erosion visit:

brainly.com/question/2635044?referrer=searchResults

4 0
2 years ago
Which of the following statements is true?. . A. In an endothermic reaction, the energy of the products is the same as the energ
mariarad [96]
"In an exothermic reaction, the energy of the products is less than the energy of the reactants" is the one among the following choices given in the question that is true. The correct option among all the options that are given in the question is the fourth option or option "D". I hope the answer has helped you.
4 0
3 years ago
I'm literally so dumb and about to fail my ap physics exam please help
Goshia [24]
Ok bro, so what’s the question lol
5 0
3 years ago
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