A 100-kg student eats an 840-kJ doughnut. To 'burn it off', he decides to climb the steps of a tall building. How high (in m) would he have to climb to expend an equivalent amount of work?

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The Answer of A 100-kg student eats an 840-kJ doughnut. To 'burn it off', he decides to climb the steps of a tall building. How high (in m) would he have to climb to expend an equivalent amount of work?

A 100-Kg Student Eats an 840-KJ Doughnut