How long does it take for a rotating object to speed up from 15.0 rad/s to 33.3 rad/s if it has a uniform angular acceleration of 3.45 rad/s

Question

How long does it take for a rotating object to speed up from 15.0 rad/s to 33.3 rad/s if it has a uniform angular acceleration of 3.45 rad/s2

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MichaelMet 5 years 2021-08-18T20:28:49+00:00 1 Answers 24 views 0

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  1. thuthao
    0
    2021-08-18T20:30:01+00:00
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    Answer:

    it takes 5.22 seconds

    Explanation:

    angular \: acceleration \: = \frac{angular \: velocity}{time}

    t = (33.3 – 15) ÷ 3.45

    t = 18 ÷ 3.45

    t = 5.22 sec

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