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storchak [24]
3 years ago
9

Does a star's apparent brightness depend only on its distance from earth?

Physics
2 answers:
Sophie [7]3 years ago
5 0
<span>The luminosity of a star, on the other hand, is the amount of light it emits 
from its surface..... However, apparent brightness is not an intrinsic property of
the star; it depends on your location</span>
Arisa [49]3 years ago
4 0
I dont think so. It also probably matters what type of str it is
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Answer:

88.2 C

Explanation:

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that is ampere = coulomb / second

The amount of charge passed is from the negative to the positive terminal

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Q = I * t = 3.5mA * 7h * 3600s/h = 88.2 C

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SCORPION-xisa [38]

Answer:

According to <em>Newton's first law of motion:</em>

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4 0
3 years ago
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A piano tuner is using a 392 Hz tuning fork to tune the wire for a G-Natural note. She hears 4 beats per second. What are the tw
inysia [295]

A beat is an interference pattern between two sounds of slightly different frequencies, perceived as a periodic variation in volume whose rate is the difference of the two frequencies. Frequency beat is equal to,

f_{beat} =| f_2\pm f_1 |

The reference frequency in our case would be 392Hz, and since there is the possibility of the upper and lower range for the amount of beats per second that the two possible frequencies are heard would be

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