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physics

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A Ferris wheel rotates at an angular velocity of 0.28 rad/s. Starting from rest, it reaches its operating speed with an average angular acceleration of 0.021 rad/s2. How long does it take the wheel to come up to operating speed?

  • physics -

    ω2=ω1)+angular acceleration*time
    or
    time = (ω2-ω1)/angular acceleration
    =(0.28-0)/0.021
    =40/3 sec.

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