A wheel makes 360 revolutions in 1 minute, Through how many radians does it turn in 1 second ?
Number of revolutions made in 60 seconds = 360.
Number of revolutions made in 1 second =36060 = 6.
Angle moved in 1 revolution = (2π)c.
Angle moved in 6 revolutions = (2π×6)c = 12πc