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Varvara68 [4.7K]
3 years ago
13

Is the sun considered a star?

Physics
2 answers:
Sauron [17]3 years ago
8 0

Yes! The sun is a star, just like any star you can see in the sky at night. The sun is in the center of our solar system and the closest star to Earth.

wel3 years ago
6 0
Yes it is because it has all the characteristics of one
The sun is unremarkable
There are countless stars with the same attributes as the sun throughout the universe
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The speed of light in vinegar is 2.30 x 10^8 m/s. Determine the index of refraction. (2​
pantera1 [17]

Answer:

n _{v} =  \frac{c}{v}  \\  =  \frac{3 \times  {10}^{8} }{2.30 \times  {10}^{8} }  \\  = 1.30

6 0
3 years ago
What is it that makes a magnet different from a piece of iron that is not mangetic?​
Alisiya [41]

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Under normal conditions, a magnetic material like iron doesn't behave like a magnet because the domains don't have a preferred direction of alignment. On the other hand, the domains of a magnet (or a magnetized iron) are all aligned in s specific direction.

7 0
3 years ago
Which one of the following has exactly 3 significant figures?
lapo4ka [179]
A
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3 years ago
While ice skating, you unintentionally crash into a person. Your mass is 60kg
miss Akunina [59]

Answer:

The speed is 6.1m/s with an angle of 56.3 degrees north of east.

Explanation:

We meed to apply the Linear momentum theorem:

m1*vo1+m2*vo2=m1*vf1+m2*vf2\\60*(8.0m/s(East))+80*(9.0m/s(North))=140*vf\\vf=3.4m/s(East)+5.1m/s(North)

The magnitude of the velocity is given by:

v=\sqrt{Veast^2+Vnorth^2} \\v=6.1m/s

and the angle:

\alpha =arctg(\frac{Vnorth}{Veast})\\\alpha=56.3^o

3 0
3 years ago
The power of a purely resistive lead is always positive although the current and voltage are sometimes negative. explain​
pickupchik [31]

Answer:

Current is in phase with voltage in a resistive circuit. Note that the wave form for power is always positive, never negative for this resistive circuit. This means that power is always being dissipated by the resistive load, and never returned to the source as it is with reactive loads.Explanation:

7 0
3 years ago
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