3. A force is applied to a disk as shown below. If the disk starts from rest, what will be its angular speed after 1 second? 0.5 m 2N (A) 0 rad/s (B) 1 rad/s (C) 4 rad/s (D) It cannot be determined without knowing the rotational inertia of the disk.

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Q: magnitude of its angular velocity

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Q: he wheel rotate during this time interval?

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Q: changes by

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