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gemouljr
16.01.2020 •
Mathematics
The power p produced by a wind turbine is directly proportional to the cube of the wind speed s. a wind speed of 37 miles per hour produces a power output of 750 kilowatts. find the output for a wind speed of 40 miles per hour.
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Ответ:
the output for a wind speed of 40 miles per hour is 810.8 kilowatts.
Step-by-step explanation:
The power P produced by a wind turbine is directly proportional to the cube of the wind speed S. This means that
P is directly proportional to S
Introducing a constant of proportionality, k, it becomes
P = kS
A wind speed of 37 miles per hour produces a power output of 750 kilowatts. This means that
750 = k × 37
k = 750/37 = 20.27
The expression becomes
P = 20.27S
Therefore, the output for a wind speed of 40 miles per hour would be
P = 20.27 × 40
P = 810.8
Ответ:
150 ft²
Step-by-step explanation:
Area of parallelogram is:
A= bh
b=15 feet, h= 10 feet
A= 15*10= 150 ft²