Harmonic motion : Calculating period, frequency and angular frequency
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The fan blades of a jet engine make one thousand revolutions in a time of 50.0 ms. Determine
(a) The period in seconds and
(b) The frequency in Hz of the rotational motion
(c) What is the angular frequency of the blade?
50ms is milliseconds, 1 thousandth of a second.
a. The period is the time for one revolution so ...
The angular frequency is noted in the solution.