Question

2. A CD rotates at 300 rpm.
(i). What is the angular velocity of the disk
(ii). What is the linear speed of a point that lies 4 cm from
its axis.
(iii). If one bit of data is represented at the above point (4cm) with the length of 0.5 micron, find the number of
bits that the reading head can read per second​

Answer 1

Answer:

what is the linear speed of a point that lines 4 cm from its axis