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Trig

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Suppose a CD player makes 48 revolutions per minute. Through how many degrees will a point on the edge of a CD move in 1 minute? In 2 sec?

  • Trig -

    48 rotations/min = 48*360 degrees/min
    = 17280° / min
    = 288° / sec
    = 576° / 2sec

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