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uranmaximum [27]
3 years ago
10

What do scientist use to determine the temperature of a star

Physics
1 answer:
REY [17]3 years ago
4 0

Color is what scientist use to determine the temperature of a star!

hope this helps!

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The speed of light (c) is:
Radda [10]

Answer:

A

Explanation:

Speed of light is 299 792 458 m / s. So option A is answer.

7 0
2 years ago
1.) What causes ocean tides
BigorU [14]

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4 0
3 years ago
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A camera takes a properly exposed photo with a 4.0 mm diameter aperture and a shutter speed of 1/1000 s. If the photographer foc
hoa [83]

Answer:

option E

Explanation:

given,

diameter = 4 mm

shutter speed = 1/1000 s

diameter of aperture = ?

shutter speed = 1/250 s

exposure time to the shutter time

E V = log_2(\dfrac{N^2}{t})

N is the diameter of the aperture and t is the time of exposure

now,

log_2(\dfrac{N^2}{t_1})=log_2(\dfrac{N^2}{t_2})

\dfrac{N_1^2}{t_1}=\dfrac{N_2^2}{t_2}

inserting all the values

\dfrac{4^2}{1000}=\dfrac{N_2^2}{250}

      N₂² = 4

      N₂ = 2 mm

hence , the correct answer is option E

4 0
3 years ago
What are the genotypes of gametes of a aabb self-pollination??
Rus_ich [418]
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I apologize for the messy graph in advance. If you have any further questions please let me know

5 0
3 years ago
A neutron star has more mass then what and is about the same size as what?
Alex_Xolod [135]
A neutron star has more mass than a bowling ball,
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