A person uses 750 kcal on a long walk calculate the energy used for the walk in kilojoules

Question

Physics

Ray Pena

4 January, 08:42

A person uses 750 kcal on a long walk calculate the energy used for the walk in kilojoules

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Preston Reed · Answer 1

Basically, this problem asks you to convert kilocalories (kcal) to kilojoules (kJ). Both are units of energy. To convert kcal to kJ, the equivalence is: 1 kcal = 4.184 kJ. Through dimensional analysis, the solution is as follows:

750 kcal * 4.184 kJ/1 kcal = 3,138 kJ