A wheel having a rotational inertia of 0...

A wheel having a rotational inertia of `0.16"kg-m"^(2)` rotates at 240 r.p.m. about a vertical axis. The angular speed of the wheel, when a torque of -0.81 Nm is applied about the same axis for 2.0 s is

7.5 rad/s

36.9 rad/s

15 rad/s

3.4 rad/s

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