Question

A brick of mass 2.3 kg is lifted to a height of 1.9 m. How much gravitational potential energy is added to the brick? Acceleration due to gravity is g = 9.8 m/s2.

Answer 1

Potencial Energy =hma
Where
h=1.9m
m=2.3kg
g=9.8m/s^2
E=(1.9m*2.3kg*9.8m/s^2)
E=42.826 kgm^2/s^2
E=42.826 J