This is acutally chemical engneeing problem. Can anyone help? The food calorie (

Question

This is acutally chemical engneeing problem. Can anyone help?

The food calorie (also known as nutritional calorie and large calorie) is a quantity equal to a kilocalorie(kcal). Not surprisingly, the food calorie is used to represent units of energy associated with eating as in "An average hot dog with ketchup and bun contains 315 calories. You woke up hungry this morning so you ate a breakfast of hotcakes, eggs, and a large biscuit. An online application indicates that this meal contains 1090 calories (meaning food calories). How many flights of stairs in a typical office building would you have to climb to burn off the calories you consumed? Make a reasonable assumption about the height of a flight of stairs and state any other assumptions you make. The required height of the climb would almost certainly be different from the number calculated in Part(a), even if your assumption about the height of a flight of stairs is correct. Explain why you think it would be more or fewer stairs.

Explanation / Answer

The energy consumed is 1090 Calorie = 1090000 calorie = 1090000 * 4.18 Jolule = 4556200 Joule

Now, mass of a common man is 70 kg

Value of gravitational acceleration is 9.81 m/s2.

So, Height that can be ridden is 4556200 J / (70 kg * 9.81 m/s2) = 6635 m.

Height of a 20 storied Office Building is (20 * 3.5) m = 70 m.

So, flights required is 6635/70 ~ 95.

The required flight of time would be different because there are other catabolic and anabolic functions taking place in the human body.

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