Diket: Ep= 1800 Joule H= 90 meter M= 1kg Ditanya: G=.....? Dijawab:

[tex]ep = m \times g \times h[/tex]
[tex]1800j = 1 \times g \times 90[/tex]
[tex]1800 = g \times 90[/tex]

g= 20m/s²

ep=1800j
1800 j=m.g.h
1800=1 kg. g. 90m
g=1800:90
g=20