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Rudik [331]
3 years ago
10

Which property is closely related to its temperature

Physics
2 answers:
Lilit [14]3 years ago
8 0

Answer:

Mass – The single most important property that determines other properties of the star. Luminosity – The total amount of energy (light) that a star emits into space. Temperature – surface temperature, closely related to the luminosity and color of the star

Explanation:

Ber [7]3 years ago
6 0
Mass, bc it’s just science
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Which of the following statements is true?
Maurinko [17]

Answer:

Concrete absorbs visible light and re-radiates it as infrared energy.

Explanation:

As we know that concrete will not reflect 100% light incident on it but it will absorb few energy and remaining energy is reflected back.

So here when visible light incident on the concrete then few of its energy is absorbed by is and then the remaining energy is reflected back.

Since the reflected energy must be less than the energy which incident on the concrete so here we will say that the reflected waves must be of less frequency range

so here most appropriate energy range of reflected wave is infrared waves

so here correct answer will be

Concrete absorbs visible light and re-radiates it as infrared energy.

6 0
3 years ago
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Which of the following best describes the shape of Earth's orbit?
nikklg [1K]

Elliptical, as shown by most projections


4 0
3 years ago
How does Newton's law work? Give an example of the formula in a word problem.
Black_prince [1.1K]
Newtons Law works with friction, gravity, and falls.

Also, the formula would be: F = ma

Force = acceleration * mass

Example: The force on a bike is 30 Newtons. The mass of the bike is 6 kg. What is the acceleration of the bike?
6 0
3 years ago
A 0.20-f capacitor is desired. what area must the plates have if they are to be separated by a 3.2-mm air gap?
Igoryamba
Air gap means that the dielectric is air.

So <span>ε0 = </span><span>8.85 x 10^-12 [F/m].......................permitivity of free space

Lets use the equation

</span>C= ( ε0x A) / d

Where A is the area of the plate

And d the distance between the plates

d = <span>3.2-mm = 3.2 E-3 m

so ............> A = C *d /</span>ε0 = 0.20 F * 3.2 E-3 m /  8.85 x 10^-12 [F/m]

A = 7.23 E 7 [m2]
5 0
3 years ago
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A robin flies a distance of 45963 cm. How far has it flown in kilometers?
alina1380 [7]

Answer:

0.46km

Explanation:

45963cm/100cm=459.63m/1000m=0.45963 or 0.46km

6 0
3 years ago
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