12.12 A train with linear induction motor is traveling uphill at 80km/h when the frequency of its primary windings is 15 Hz. The inclination of the hill is 5°. The frontal area of the train is 25 m² and its coefficient of drag is 0.9. The friction coefficient between the wheels of the train and the track is 0.1, and the weight of the train is 500,000 kg. The pole pitch of the vehicle is 3 m. Compute the following: a. Developed force of the motor at steady-state b. Developed power in hp