indiareed0orv5ul
28.01.2021 •
Advanced Placement (AP)
4. Suppose the house in question 3 is located in Cleveland where the annual average solar flux is 160 W/m2 2. If 10 m2 of solar panels operating at 20 percent efficiency were installed on this house to collect and store solar energy in the form of hot water:
a)How much energy could be gained in one year in this manner?
b)What fraction of the annual heating requirement is this?
c)Using the hot-water heating requirements for a bath from question 1(c), how many hot baths would this energy supply in one year?+
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Ответ:
Solar flux that incident on it is given as
S = 160 W/m/m
Now we know that the area of solar panels is given as
A = 10 m^2
So total solar power received by solar panels is given as
Power Received = (Solar flux) \times (Area)PowerReceived=(Solarflux)×(Area)
P = S\times AP=S×A
now here we have
P = 160 \times 10P=160×10
P = 1600 WP=1600W
now we know that efficiency of the solar panels is 20%
so total output power will be
efficiency = \frac{P_{out}}{P_{in}}efficiency=
P
in
P
out
0.20 = \frac{P_{out}}{1600}0.20=
1600
P
out
P_{out} = 320 WP
out
=320W
Ответ:
D - No solution
*brainliest is much appreciated lol*
Step-by-step explanation:
The equations are:
2/3x + y = 6
-2/3x - y = 2
Using elimination, you can cancel out the 2/3's and y's in both equations, which will leave you with "6 = 2". This statement is incorrect, so the answer is no solution.
hope this helps