Question

A man with a mass of 60 kg walks up two flights of stairs in going from the first floor to the third floor (10 meters). Calculate his increase in potential energy.

_____ J

240,000
12,000
59,000
5900

Answer 1

PE = mgh = (60 kg)(9.81 m/s²)(10 m) = 5,886 J
which is pretty close to 5900