math
posted by anon .
determine the linear velocity of a point rotating at 15 revolutions per minute at a distance of 3.04 meters from the center of a rotating object

one circumference = 2π(3.04) m or 6.08π m
so in 1 min the point covers 15(6.08π) or 91.2π m
linear velocity = 91.2π m/minute