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?

Answer 1

Convert the Calories (kcal) to Joules, then set equal to work (mg*height)

1.72E6joules=74*9.8*height

A high walk.