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    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?

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    Solution Preview

    50ms is milliseconds, 1 thousandth of a second.

    a. The period is the time for one revolution so ...

    Solution Summary

    The angular frequency is noted in the solution.