1. The problem statement, all variables and given/known data Suppose your mass is 76.0 kg and you climb 40 stairs of height 18 cm in 19.0 s. What is your power output as you climb the stairs? 2. Relevant equations Power = Work / change of time 3. The attempt at a solution I need a hint on solving for the work. I tried solving for the kinetic energy, but my answer was wrong.