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Alex17521 [72]
3 years ago
5

If you wanted to detect x rays coming from the sun, where would you place the detector? Why?

Physics
2 answers:
Damm [24]3 years ago
4 0
You would have to place your sensor above earth's atmosphere because it blocks out nearly all x-rays. this is why we have the Chandra observatory

hope this helps
Nady [450]3 years ago
3 0
If you wanted to detect X-rays coming from the sun, the detector would have to be placed in orbit around Earth since most X-rays are absorbed the atmosphere.

Hope this helped :)
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What happens to the sound an object makes when the speed of vibrations decreases (slow down)?.
Masja [62]
The frequency decreases, and you will hear a lower tone
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3 years ago
A person hears the echo of his own voice from a distant hill after 2 seconds. How far away is the person from the hill, if the s
olga nikolaevna [1]

Answer: 330 m

Explanation:

The speed of sound V is defined as the distance traveled by the sound wave d in a especific time t:  

V=\frac{d}{t}  

Where:  

V=330 m/s is the speed of sound  

t=\frac{2 s}{2}=1 s is half the time the sound wave travels since the person speaks, the sound wave hits the hill and then returns to the person again  as an echo

d is the distance between the person and the hill

So, we have to find d:

d=Vt

d=(330 m/s)(1 s)

Finally:

d=330 m

4 0
3 years ago
Define the focus of a concave lens ​
Sophie [7]

Answer:

<u>Principal</u><u> </u><u>focus</u><u> </u><u>of</u><u> </u><u>concav</u><u>e</u><u> </u><u>lens</u><u> </u><u>-</u><u> </u>

★ The point at which rays parallel to principal axis coming from infinity appear to converge after being refracted from concave lens is called the principal focus of concave lens.

<em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em>

• <u>Additional</u><u> information</u><u> </u><u>-</u><u> </u>

★ Principal focus - A number of rays parallel to the principal axis after reflection from a concave mirror meet at a point on the principal axis or appear to come from a point after reflection from a convex mirror on the principal axis. This is called principal focus.

8 0
3 years ago
Chance drives his scooter 7km north he stops for lunch and then drives 5km East to his friend house what distance did he cover
Katena32 [7]

Answer:12km

Explanation:

7km+5km=12km

6 0
3 years ago
What collides and creates a movement of heat called conduction?
lutik1710 [3]
The answer of this is C!!!
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