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A flywheel rotates with an angular speed of 26 rev/s. As it is brought to rest with a constant acceleration, it turns 55 rev.

What is the magnitude of the angular acceleration?

How much time does it take to stop?

  • Physic -

    t = 55rev * (1/26)s/rev 2.1s.

    a = (Vf - Vo) / t = (0 - 26) / 2.1 =

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