The initial angular velocity and the angular acceleration of four rotating objec

Question

The initial angular velocity and the angular acceleration of four rotating objects at the same instant in time are listed in the table that follows. For each of the objects (a), (b), (c), and (d), determine the final angular speed after an elapsed time of 4 s.
Initial angular velocity ?0 Angular acceleration a
(a) +13.0 rad/s +2.0 rad/s2
(b) +13.0 rad/s -2.0 rad/s2
(c) -13.0 rad/s +2.0 rad/s2
(d) -13.0 rad/s -2.0 rad/s2

a)Find angular speed = rad/s
b)Find angular speed = rad/s
c)Find angular speed = rad/s
d)Find angular speed = rad/s


I need help with the process of finding the answers here. Thanks

Explanation / Answer

okay so your question is pretty basic all you have to do is for each part plug your values into the equation:

f=i+t

Where:

= the angular velocity

= the angular acceleration and;

t = the time elapsed which is 4 seconds in this case.

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