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

asked Jan 5, 2021 172k views

1 vote

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4 votes

Answer:

it takes 5.22 seconds

Step-by-step explanation:

$angular \: acceleration \: = (angular \: velocity)/(time)$

t = (33.3 - 15) ÷ 3.45

t = 18 ÷ 3.45

t = 5.22 sec

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