Answer:
"solar-powered photovoltaic (PVC) panels convert the suns 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."
I hope this helps ^-^
Explanation:
Answer:
D. 5.8 cm, 31 degrees South of the West axis
Explanation:
Here we have two vectors:
direction west
direction south
We note that the two vectors are perpendicular, so we can use the Pythagorean's theorem to find the magnitude of their resultant:
The direction can be found as follows:
And according to how we calculated the ratio inside the formula, this angle is measured as south of west.
Answer: Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second. In this case, there is 1 cycle per 2 seconds. So the frequency is 1 cycles/2 s = 0.5 Hz.
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Answer:
The helicopter uses 35 gallons to fly for 5 hours.
Explanation:
The amount of gas that a helicopter uses for flying varies directly proportional to the number of hours spent flying.
g ∝ T
where g represents amount of gas and T time of flight.
Then,
The helicopter files 4 hours and uses 28 gallons of fuel.
Here, g₁= 28 gallons, T₁=4 hours
g₂=?, T₂=5 hours.
⇒28×5= g₂×4
⇒ g₂×4=28×5
gallons
The helicopter uses 35 gallons to fly for 5 hours.