Adisk rotates about its central axis starting from rest and accelerates with constant angular acceleration. at one time it is rotating at 11.0 rev/s; 50.0 revolutions later, its angular speed is 20.0 rev/s. calculate (a) the angular acceleration (rev/s2), (b) the time required to complete the 50.0 revolutions, (c) the time required to reach the 11.0 rev/s angular speed, and (d) the number of revolutions from rest until the time the disk reaches the 11.0 rev/s angular speed. (a) number enter your answer in accordance to item (a) of the question statement unit choose the answer from the menu in accordance to item (a) of the question statement (b) number enter your answer in accordance to item (b) of the question statement unit choose the answer from the menu in accordance to item (b) of the question statement (c) number enter your answer in accordance to item (c) of the question statement unit choose the answer from the menu in accordance to item (c) of the question statement (d) number enter your answer in accordance to item (d) of the question statement unit choose the answer from the menu in accordance to item (d) of the question statement