How Many Stair Climbs to Burn 500 Calories?

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To burn 500 calories by climbing stairs, one must calculate the gravitational potential energy change for a height of 4 meters. This involves converting 500 food calories into joules, resulting in 2,090,000 joules. The discussion highlights the need to account for both the energy expended going up and the energy used going down, though the rates differ. Accurate calculations are essential to determine the exact number of stair climbs needed. Understanding the physics behind calorie burning is crucial for effective energy expenditure.
chris22
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Can anyone help me figure out this question?
If you have just consumed 500 Calories of food, how many times do you have to walk up a flight of stairs in order to burn all the Calories?

A flight of stairs is = to 4 meters
500 Calories * 4180 Joules = 2090000 Joules

WORK=JOULES:

Thanks :biggrin:



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Make sure you get food calorie and thermodynamic calorie correct, which it appears you did.

One has to calculate the change in gravitational potential energy for 4 meters, and determine how many times one must traverse 4m to equal the 500 food calories.

One has to do work going up, but one also does work going down (although not at the same rate).
 

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