physics
posted by IsabelA .
The label on a candy bar says 410 Calories.Assuming a typical efficiency for energy use by the body, if a 74kg person were to use the energy in this candy bar to climb stairs, how high could she go?

Convert the Calories (kcal) to Joules, then set equal to work (mg*height)
1.72E6joules=74*9.8*height
A high walk.
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