Question

For model 5, the tip of the blade travels 0.18 mile per revolution. What is the approximate speed, in revolutions per minute,for model 5?

Answer 1

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Answer 2

Answer:

approximate speed would be 19 revolutions per minute.

Step-by-step explanation:

For model 5, blade length = 148 feet

Maximum blade tip speed = 200 miles per hour

tip of the blade travels per revolution = 0.18 mile

Number of revolutions per hour = $\frac{200}{0.18}$ = 1,111

To get speed per minute, divide by 1 minute ( 60 seconds ).

$\frac{1,111}{60}$ = 18.51 ≈ 19 revolutions per minute.