Number of revolutions made by wheel in one minute = 360 As we know that, 1 Revolution = 2π Radians ∴ 360 Revolutions = 720 π Radians ∴ In 1 minute wheel can make = 720 π Radians ⇒ In 60 seconds wheel can make = 720 π Radians ⇒ In 1 second wheel can make $\frac{720\pi}{60}$ Radians = 12π Radians