Jogging for an hour consumes 2100 kJ. How many grams of fat do you need to compensate for the loss of energy in 20 minutes of such a run?

For one hour (60 minutes), the energy consumption is equal to 2100 kJ, which means that in 20 minutes three times less is consumed, i.e. 700 kJ. It is known that the oxidation of 1 g of fat releases 38.9 kJ of energy. We calculate how much fat is required to compensate for the energy loss of 700 kJ: 700 kJ: 38.9 kJ = 18 g.

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