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A weightlifter manages to lift a 133 kg (that's 293 pounds, which sounds much more impressive) weight a distance of 1.4 m. How many kcal of heat energy is equivalent to this lift?

  • Physics -

    133 * 9.81 * 1.4 = 1826 Joules
    convert that to calories and then divide by 1000 to get kilo calories (food calories)

    436 calories / 1000 = .436 Kcal

    This would not be an efficient way to lose weight :

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