Science Homework Help

I’m working on a physics writing question and need guidance to help me learn.

Let’s suppose you ate a 200 Calorie Clif bar and went on a hike. If 100% of the energy in that Clif Bar was converted into potential energy, how high could a 70kg human get up the mountain on the bar’s energy? (1 Calorie = 4186 J)

a. 0.5 km

b. 1.2 km

c. 2 km d. 5 km