Step-by-step explanation:
Hey there!
Height(h)= 1.8m
Mass(m)= 14kg
Potential energy= m.h.g
Where "m" means mass, "h" means vertical height and "g" means gravity.
Now, put all values.
P.e = 14kg * 1.8m * 10m/s^2
= 252kg.m^2/s^2
Therefore, The potential energy was 252kg.m^2/s^2.
Hope it helps...