what is the average metabolic rate in watts of a man who metabolizes 13,600 kj of food energy in one day? 658.9 w (b) what is the maximum amount of work in joules he can do without breaking down fat, assuming a maximum efficiency of 22.0%? (enter the maximum work he can do in one day.) j (c) compare his work output with the daily output of a 187 w (0.250-horsepower) motor. wmotor wman