243 rad is the angle through which the wheel turns during this time.
Torque is a measure of the force that can cause an object to rotate about an axis.
Angular speed is define as the measuring angle of rotation over a given amount of time.
Mathematically , ω = θ t
From the given question ,
Torque = 19.8 rad/s
ω = 23.5 rad/s
t = 11.2 s
We get the equation,
[tex]\frac{ 19.8 +23.5}{2} * 11.2[/tex]
= 243 rad
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