13. [-/2 Points] Submit Answer (b) If the truck operates with an average power requirement of 5.0 kW, for how many minutes can it operate between chargings? min 14. [-/3 Points] DETAILS Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the flywheel up to its top speed of 2007 rad/s. One such flywheel is a solid, uniform cylinder with a mass of 550 kg and a radius of 1.2 m. (a) What is the kinetic energy of the flywheel after charging? J (b) 90 (c) 180 DETAILS HRW9 10.P.039. Nm Nm N-m MY NOTES HRW9 10.P.048. The length of a bicycle pedal arm is 0.152 m, and a downward force of 118 N is applied to the pedal by the rider's foot. What is the magnitude of the torque about the pedal arm's pivot point when the arm makes the following angles with the vertical? (a) 30 PRACTICE ANOTHER MY NOTES PRACTICE ANOTHER