At the MIT Magnet Laboratory, energy is stored in huge solid flywheels of mass and
Chapter 10, Problem 33(choose chapter or problem)
At the MIT Magnet Laboratory, energy is stored in huge solid flywheels of mass and radius 2.4 m. The flywheels ride on shafts 41 cm in diameter. If a frictional force of 34 kN acts tangentially on the shaft, how long will it take the flywheel to come to a stop from its usual 360-rpm rotation rate?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer