PHYSICS HIGH SCHOOL

Our Sun is all of the following EXCEPT ____.a. part of a binary system
c. a yellow star
b. a main sequence star
d. of average absolute magnitude

Answers

Answer 1
Answer:

Answer:

part of a binary system

Explanation:

Sun is a yellow star, it is a G-type main sequence star. It is yellow dwarf star. It is white but from our earth, it appears yellow. So it is a yellow star.

As mentioned, yes it is a main sequence star.

It is our main part of solar system so it appears to be huge for our earth, however it stands medium in the size among all other billions of stars in the universe.

Sun is solo star, It has no companion star associated with it (as with other stars which have one or more companion star with them making binary or tertiary etc system).
Answer 2
Answer:
A) Part of a binary system. There is no evidence to suggest that the Sun has a companion star.

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Answers

Answer:

hot

Explanation:

cause the room temperature is higher

What is radiation? Transfer of heat through objects touching the source. Transfer of heat through direct physical contact. Transfer of heat through electromagnetic waves. Transfer of heat through the movement of particles.

Answers

Answer:

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Answer:

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I got it right in a test

In a nuclear fusion reaction, what state is matter in?a. gas
b. solid
c. liquid
d. plasma

Answers

the matter is in chemical plasma
 
Alternatively d)


I hope I was helpfull




Answer:

plasma

Expl

This other guy said it was plasma

What is the advantage of a gold leaf electroscope ?

Answers

It's to determine if there is a charge on an object/body or not and what kind of charge as well. Hope this can help!

Two 100 kg bumper cars are moving toward each other in opposite directions. Car A is moving at 8 m/s and Car B at –10 m/s when they collide head–on. If the resulting velocity of Car B after the collision is 8 m/s, what is the velocity of Car A after the collision?(I saw this question was asked previously, but the person did not provide the correct answer...)

Answers

Answer:

v_a = -10 m/s

so car A will move with speed 10 m/s in opposite direction

Explanation:

As we know that when two cars collide then the momentum of two cars will remains conserved

so here we have

P_i = P_f

mass of two cars = 100 kg

speed of car A = 8 m/s

speed of car B = - 10 m/s

after collision the speed of car B = +8 m/s

now by momentum conservation equation

m_1v_(1i) + m_2v_(2i) = m_1v_(1f) + m_2v_(2f)

so we have

100(8) + 100(-10) = 100(v_a) + 100(8)

so we have

v_a = -10 m/s

so car A will move with speed 10 m/s in opposite direction

Ocean waves contain energy that is transferred to them by ______ moving across the surface.a. wind
b. sunlight

Answers

Answer

a. wind

Explanation

Ocean waves are coursed by wind which transfers its energy into the water. This forms big waves that can travel a long distance. The size of the wave depend on the speed of wind, the area covered and the duration of the wind.

Answer:

Wind

Explanation:
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