Question

The blades of a helicopter rotate at an average rate of 500 rotations per minute. What is the frequency of rotation of blades

Answer 1

the frequency is the number of times an event occurs in a certain time interval.

here it is 500times/min

or 8.33333times/sec

so 8.33 cycles/sec

which can also be written as 8.33Hz.

Answer 2

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N,

Explanation:

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