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rrcmks

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**Based on Laws of Physics, how to calculate the calories burnt by a person, weighing 60 kg during walking at a speed of 4 kmh**

^{–1}for 1 hour.Surprisingly different answers were given by online calculators. Though I am not a Physicist, please let me know the formula or principle behind the calculation and I know dietary Calorie = 1000 calories.

is this logic

=1/2 × 60 kg × (4000/3600 ms–1)2 ~ 37 J

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