Physics

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For a record playing at 45 rpm, find the frequency and the angular velocity.

Frequency=

Angular velocity=

  • Physics -

    F = 45rev/min = 45rev/60s = 0.75rev/s = 0.75c/s = 0.75 Hz.

    Va=45rev/min * 6.28rad/rev * 1min/60s =
    4.71 Rad/s.

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