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In Mathematics / High School | 2014-05-20

A helicopter blade spins 775 times in 3 minutes. Find the rate of revolutions per second.

Asked by Charlyn991

Answer (1)

Use the proportions property:
775 times ---------- 180 sec x ---------- 1 sec
x = 180 775 ​ = 4.3 t im es p er sec

Answered by Ryan2 | 2024-06-10

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