Questions 12 and 13 are Free Standing Questions 12. How much time does it take for a wheel rotating at 3.5 madams to travel 125 meters if its radius second is 25 cm? Write answer in minutes and seconds, and seconds must contain 3 decimal places. 13. A 4 kg wheel is spinning stationary at the bicycle shop as it is being repaired. The shop worker is testing its moment of inertia. He has determined that in all conditions, I = =mr. An initial angular velocity of 10.99 . radians gradually decreases to 1.57 radians second in a time interval of 1 second minute and 15 seconds. What is the magnitude of inert air resistance? Spokes of the wheel are 60 cm from the center. Answer must have 4 decimal places