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skelet666 [1.2K]

2 years ago

13

below is an attempt at implementing a circle class. the class should feature a constructor that takes a starting radius, a float

, and methods to calculate and return the area and circumference of the shape. can you fix the code below to implement these behaviors correctly?

1 answer:

Julli [10]2 years ago

4 0

monkey I'm not a dictionary so don't ask

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Which statement explains what causes the balloon to accelerate

victus00 [196]

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Answer:

Check the explanation

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3 years ago

In a wind-turbine, the generator in the nacelle is rated at 690 V and 2.3 MW. It operates at a power factor of 0.85 (lagging) at

Juli2301 [7.4K]

To solve this problem we will apply the concepts related to real power in 3 phases, which is defined as the product between the phase voltage, the phase current and the power factor (Specifically given by the cosine of the phase angle). First we will find the phase voltage from the given voltage and proceed to find the current by clearing it from the previously mentioned formula. Our values are

$V = 690V$

$P_{real} = 2.3MW$

Real power in 3 phase

$P_{real} = 3V_{ph}I_{ph} Cos\theta$

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$V_{ph} = \frac{690}{\sqrt{3}}$

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$P_{real} = 3V_{ph}I_{ph} Cos\theta$

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$I_{ph}=\frac{P_{real}}{3V_{ph}Cos\theta}$

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3 years ago

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Answer:

Detailed solution is given below:

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