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Contact [7]
3 years ago
7

How do solar panels create electricity

Physics
1 answer:
xenn [34]3 years ago
5 0

Answer:

They create electricity from the sun's  rays

Explanation:

By the use of "solar cells" or "solar panel", you can trap solar energy in silicon/germanium rods, then you can convert in into electricity too. Solar powered panels convert the sun's rays into electricity by exciting electrons in silicon cells using the photons of light from the sun. This electricity can then be used to supply renewable energy to your home or business.

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An arrow of mass 0.5kg so it has 25J of kinetic energy; find the speed of the arrow v = m/s​
miss Akunina [59]

Answer:

10 m/s

Explanation:

Use the kinetic energy formula:

KE=(1/2)mv^2

I always remember it as Kevin is half-mad, and very square.

25J = (1/2)*0.5kg*(v^2)

50J = 0.5kg*(v^2)

100J = v^2

v = 10 m/s

Check it:

KE = (1/2)*0.5*(10^2)

KE = 25J

yep, it's right!

4 0
3 years ago
Why does an object hover over a large magnet
Anarel [89]
Because the object hovering over the magnet is the same magnetic pole.
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4 years ago
Mg represents the element
Romashka-Z-Leto [24]

Answer:

Mg is the symbol for Magnesium. Atomic #- 12

Explanation:

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4 years ago
What are the primary differences between stars and planets
shusha [124]
Stars don't have moons and planets do
6 0
3 years ago
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How does a bicycles kinetic energy change when it slows down?
-Dominant- [34]
The kinetic energy decreases 
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4 years ago
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