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A disk of radius 1.5m initially at rest begins rotating about its center with constant angular...

A disk of radius 1.5m initially at rest begins rotating about its center with constant angular acceleration of 0.2 rad/s2. Calculate the following:

a) The angular velocity of the disk after 4s.

b) The linear velocity of a point on the rim of the disk after 4s.

c) The amount of rotation after 4s.

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