Problem 1: For your new year's resolution, you resolve to lose 5lbs of body fat through physical exercise. If you work out hard, you can generate 200 W of mechanical power and be 20% efficient at it. How long will you have to exercise at this rate to burn the desired amount of fat? If you chose to diet instead and cut your food intake of 2400 kcal/day to 1600 kcal/day, how long will it take you to lose the desired amount of weight?

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Spheres of physical activity

The spheres of physical activity experience include aspects of everyday life where physical activity is important. In general, the spheres recognize various purposes of physical activity in different contexts. The spheres of physical activity provide a broad basis for assessing the significance and prevalence of physical activity. There are seven spheres of physical activity experience.