Question:

If a fan with 5 paddles(blades) spins for 10 days @ 99.23 revolutions per minute , how many?

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how many complete revolutions occur in this time?this assumes un-interrupted rotation.

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  1. Ok, here's how you do it.

    99.23rev/min*10days*24hr/day*60min/hr = 1,428,912 revolutions

    hope this helps.


  2. Another 'Dimensional Analysis' question...

    10d x 24hr/d x 60min/hr x 99.23rpm = 1,428,912revs.

    (d, hr/d, min/hr and pm all cancel).

  3. 10 days * 24 hours/day * 60 minutes/hr* 99.23 RPM=

    1,428,912 revolutions

  4. 5 paddles is irrelevant, 10 days x 24 hours per day x 60 minutes per hour = 14,400 minutes, 14,400 x 99.23 rpm equals 1,428,912 revolutions.

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