Here are questions dealing with human power. (a) If you follow a diet of 2000 food calories per day (2000 kilocalories), what is your average power consumption in watts? (A food or “large” calorie is...

Here are questions dealing with human power.

(a) If you follow a diet of 2000 food calories per day (2000 kilocalories), what is your average power consumption in

watts? (A food or “large” calorie is a unit of energy equal to 2.4 × 103 J; a regular or “small” calorie is equal to 4.2

J.) Compare with the power consumption in a table lamp.

(b) You can produce much higher power for short periods. Make appropriate measurements as you run up some stairs,

and report your measurements. Use these measurements to estimate your power output (this is in addition to your

basal metabolism—the power needed when resting). Compare with a horsepower (which is about 750 watts) or a

toaster (which is about 1000 watts).