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zaharov [31]
1 year ago
14

In 6–8 sentences, write a summary of what you learned from this activity. Include an explanation of what causes the spectral shi

fts you observed. Also, explain how scientists might use spectra analysis to support the big bang theory.
Physics
1 answer:
QveST [7]1 year ago
7 0

Answer :First part is what you learned so write what you learned then the other parts is The evidence that the universe is expanding comes with something called the red shift of light. Light travels to Earth from other galaxies. As the light from that galaxy gets closer to Earth, the distance between Earth and the galaxy increases, which causes the wavelength of that light to get longer.

Explanation:

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An airplane flies 1760 km in 2 hours 45 minutes. What is its average speed in kilometers per hour?
konstantin123 [22]
59.6 k/h 

is what i got
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3 years ago
Cuál es el significado del diálogo intercultural​
bagirrra123 [75]

Answer:

El diálogo intercultural es un intercambio de opiniones abierto y respetuoso entre individuos y grupos pertenecientes a diferentes culturas que conduce a una comprensión más profunda de la percepción global del otro

Explanation:

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A very long train is rolling at 4 m/s along a straight track. An observer is standing on the ground very dangerously close to th
hichkok12 [17]

Answer:

A. \vec{r}=(6\frac{m}{s})t\ \ \hat{i}

B.  t = 50 s

Explanation:

A. The vectorial equation of the person who is getting closer to the other person is:

\vec{r}=\vec{v}t

r: position vector

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Then, you replace and obtain:

\vec{r}=(6\frac{m}{s})t\ \ \hat{i}

B. The time is:

t=\frac{d}{v}

d: distance to the observer = 300m

v: speed of the person on the car = 6.00 m/s

t=\frac{300m}{6m/s}=50s

4 0
3 years ago
What happens to its surface temperature as a star changes color from red to blue
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The surface temperature of the star increases when it changes its colour changes from red to blue.
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The given series is the temperature decreasing order of stars. Now our sun is considered as a yellow star.
5 0
3 years ago
What form of matter is vapor?
katrin [286]
The form of matter that is vapor is a gas made of a substance that is usually liquid. 
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3 years ago
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