Question

A 80 kg firefighter climbs flight of stairs 6 meter high in 10 seconds.
How much work is required by the firefighter?
Henry
Work = F*d = Mg*d = 80*9.8 * 6 = 4704 J

Paula
A dog does 12'500 I of work when he pulls a wagon that weighs 250 N. How far did the dog pull the wagon