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8_murik_8 [283]
2 years ago
13

What is a benefit of hydroelectric power?

Geography
2 answers:
zloy xaker [14]2 years ago
8 0
Hydroelectric power Is a cheap renewable source of electricity
Montano1993 [528]2 years ago
3 0

Answer:

Your answer is: Hydroelectric power is a cheap and renewable source of electricity.

Explanation:

Hydropower is affordable. Hydropower provides low-cost electricity and durability over time compared to other sources of energy. Hope this helped and it's correct :)

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Suppose that two stars in a binary star system are separated by a distance of 80 million kilometers and are located at a distanc
jonny [76]

Answer: 1) Angular separation equals 0.0000031 degrees

2) Angular separation in arc -seconds equals 0.011156"

Explanation:

For 2 stars separated by a distance 'S' and at a distance 'D' from the earth the angular separation in radians is given

\theta _{rad}=\frac{S}{D}

Applying values we get

\theta _{rad}=\frac{80\times 10^{6}}{150\times 9.46\times 10^{12}}\\\\\therefore \theta _{rad}=\frac{1}{18487500}radians

Now we know that 'π' radians equals 180 degrees thus the above value in degrees shall be equal to

\therefore \theta _{degrees}=\frac{1}{18487500\times \pi }\times 180^{o}=0.0000031^{o}

2)

The angular separation in arc- seconds is given by

\theta ''=\theta ^{o}\times 3600\\\\\theta'' = 0.0000031\times 3600=0.011156"

8 0
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