If the energy bar was his only fuel, how far could a 68 kg person walk at 5 km/h?

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21-07-2017
Physics

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If the energy bar was his only fuel, how far could a 68 kg person walk at 5 km/h?

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Can someone please help me with this question?

meerkat18 meerkat18 · Answer 1 · 2017-08-03T05:50:00+02:00

meerkat18 meerkat18

03-08-2017

An energy bar contains of 20grams of carbohydrates and 1gram is equal to 17 KJ. If the energy bar was his only fuel the total energy available is equal to (17,000 x 20) = 340,000j. Estimate KJ per hour is equal to 1539KJ, it has Time equal to (340,000/1539,000) is equal to 0.2209 hour and his Distance is equal to (5,000 x .2209) = 1.1045km.

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