Question

A 680 newton student runs up a flight of stairs 3.5 m high in 11.4 seconds. The student takese 8.5 seconds to run up the same flight of stairs during a second trial.Determine the work done by the 680 newton student in climbing the stairs

Answer 1

Force* distance in direction of force
= 680 N * 2 * 3.5 meters = 4760 Joules

(You only need the time if they ask for power)