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18 September, 01:31

The circular blade on a saw has a diameter of 6.25 inches and rotates at 4500 revolutions per minute. (a) Find the angular speed of the blade in radians per minute. (Round your answer to three decimal places.)

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  1. 18 September, 01:34
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    Answer:angular speed=471.429rad/sec

    Step-by-step explanation:

    One revolution is:

    2*pi*radians

    Then 4500 revolution will be:

    2*pi*4500rad = 9000pi rad

    1minutes = 60seconds

    So the angular speed is:

    = (9000*pi rad) / minutes

    =9000 * (22/7) rad / 60seconds

    =471.42857143 rad/sec

    =471.429rad/sec to 3 d. p
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