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?

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 = = 1,111

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

= 18.51 ≈ 19 revolutions per minute.

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i would say true? if the unit was informational and it "refreshed your understanding", then true.