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2 years ago

Part 1: Describe the mass and surface temperature of the supergiant stars.

2 answers:

6 0

The temperature of the surface is between 3,500-20,00
supregiants would be around the top half for the y axis
and it would be a little in the middle for the x axis

bulgar [2K]2 years ago

4 0

Answer:

20 000 - 50 000 K

Explanation:

It would seem impractically possible to measure the mass of a star, however, there is an efficient method to do so. By definition, the temperature of a star is defined by its mass. The brightness of the star define the temperature as well as the temperature. The most massive (and hottest) stars are the super giant stars. These can have temperatures of up to 20 times the mass of the sun. The stars are very hot with temperatures of about 20 000 - 50 000 K.

The super giant stars will be found on the top region of the Hertzsprung-Russell diagram.

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Why would you expect the speed of light to be slightly less in the atmosphere then in a vacuum?

azamat

The speed of light to be slightly less in atmosphere then in vacuum because of absorption and re-emission of light by the atmospheric molecules occurred when light travels through a material

Explanation:

When light passes through atmosphere, it interacts or transmits through the transparent molecules in atmosphere. In this process of transmission through atmosphere, the light will be getting absorbed by them and some will get re-emitted or refracted depending upon wavelength.

But in vacuum the absence of any kind of particles will lead to no interaction and no energy loss, thus the speed of the light will be same in vacuum while due to interactions with molecules of atmosphere, there speed will be slightly less compared to in vacuum.

7 0

3 years ago

Mrs. Rohaley gives you a piece of iron and asks you to determine the physical and chemical properties of the metal. She wants yo

Fofino [41]

Answer:The answer is B

Explanation:

5 0

3 years ago

I really don’t know the answer for this

EleoNora [17]

The correct answer is the reverse wave I took the test

6 0

3 years ago

3. What is the potential energy of a 8 Newton book sitting on a shelf that is 12 meters high?

Svetradugi [14.3K]

Answer:

P = 96 J

Explanation:

Given that,

Weight of the book, W = mg = 8 N

It is placed at a height of 12 m

We need to find the potential energy of the book. The potential energy of an object is given by the formula as follows :

E = mgh

mg = Weight

$E=8\ N\times 12\ m\\E=96\ J$

So, the potential energy of the book is 96 J.

8 0

3 years ago

Based on illustrations of magnetic field lines, where could an object be placed so it would not experience a magnetic force

tiny-mole [99]

Halfway between the like poles of two magnets, because the field lines bend away and do not enter this area.

How does a magnetic field diagram show where the field is strongest?

The magnetic field lines do not ever cross.
The lines include arrowheads to indicate the direction of the force exerted by a magnetic north pole.
The closer the lines are to the poles, the stronger the magnetic field (thus the magnetic field from a bar magnet is highest closest to the poles).

Where is magnetic field the strongest and weakest on a magnet?

The bar magnet's magnetic field is strongest at its core and weakest between its two poles.
The magnetic field lines are densest immediately outside the bar magnet and least dense in the core.

Which two locations on the magnet would have the greatest attractive forces?

Inside the magnet itself, the field lines run from the south pole to the north pole.
The magnetic field is strongest in areas of greatest density of magnetic field lines, or areas of the greatest magnetic flux density.

Learn more about magnetic field

brainly.com/question/11514007

#SPJ4

4 0

1 year ago