Suppose a CD player makes 48 revolutions per minute. Through how many degrees will a point on the edge of a CD move in 1 minute? In 2 sec?
48 rotations/min = 48*360 degrees/min
= 17280° / min
= 288° / sec
= 576° / 2sec
= 17280° / min
= 288° / sec
= 576° / 2sec