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grandymaker [24]
3 years ago
9

3. How does Earth’s rotation affect our view of stars

Physics
2 answers:
Elis [28]3 years ago
5 0
Since we ride along with the Earth while it's doing whatever it does,
the Earth's rotation causes our eyes to constantly point in a different
direction.

If we try to keep watching one star, we have to keep changing the
direction of our eyes to keep looking at the same star. 

We can't feel the Earth rotating, so our brains say that the star  ... and
the sun and the moon too ... is actually moving across the sky.
fomenos3 years ago
4 0
This is because when the Earth spins on it's axis the view of our sky shifts as well.
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The law of reflection establishes a definite relationship between the angle of incidence of a light ray striking the boundary be
sladkih [1.3K]

Answer:

The law of reflection states that the angle of incidence = the angle of reflection.

Explanation:

Reflection is the phenomenon that occurs when a ray of light hits the boundary between two media and it is reflected back into the first medium.

In such a situation, we call:

- angle of incidence: it is the angle between the direction of the incident ray and the normal to the surface

- angle of reflection: it is the angle between the direction of the reflected ray and the normal to the surface

There is a precise relationship between the angle of incidence and the angle of reflection. In fact, the Law of Reflection states that:

- The incident ray, the reflected ray and the normal to the surface all lie within the same plane

- The angle of reflection is equal to the angle of incidence

4 0
3 years ago
What is the equation of the line that is perpendicular to y= -4x +5 and passes through the point (4,-3)?
Ostrovityanka [42]
Y=4x-19

Perpendicular because it has an opposite reciprocal slope
5 0
3 years ago
1 6. Which of the following astronomical units is c/osest to the distance of the earth to the sun?
Ganezh [65]

Answer:

astronomical unit

Explanation:

https://en.wikipedia.org/wiki/Astronomical_unit

6 0
3 years ago
To understand thermal linear expansion in solid materials. Most materials expand when their temperatures increase. Such thermal
Marat540 [252]

Answer:

Check the explanation

Explanation:

Kindly check the attached image below to see the step by step explanation to the question above.

5 0
2 years ago
On a hot summer day in the state of Washington while kayaking, I saw several swimmers jump from a railroad bridge into the Snoho
Svetlanka [38]

Answer: part a: 19.62m

part b: 19.62 m/s

part a: 2.83 secs

Explanation:If the air resistance is ignored then the swimmer experience free fall under gravity hence

u=0

a=9.81 m/s2

t=2 secs

s=ut+0.5at^2

s=h

h=0*2+0.5*9.81*2^2\\h=19.62 meters

Part b

v=u+at\\v=0+9.81*2\\v=19.62m/s

Part c

now we have h=2*19.62=39.24

39.24=0+0.5*9.81*t^2\\t^2=8\\t=2.83 secs

4 0
3 years ago
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