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

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

User Macpandit
by
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1 Answer

6 votes
Use the proportions property:

775 times ---------- 180 sec
x ---------- 1 sec


x=(775)/(180)=4.3 \ times \ per \ sec
User Dormitkon
by
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