Adisk of radius 12 cm, initially at rest, begins rotating about its axis
, begins rotating about its axis with a constant
angular acceleration of 3 rad s-2 in 5 s. determine
a) the angular velocity of the disk
b) the tangential and centripetal accelerations of a point on the perimeter of the disk
c) the number of revolutions were made by the disk in those 5 s
d) write the relation between radial acceleration and linear velocity