[tex]\tt{\huge{\blue{Explanation:}}}[/tex]
The gravitational potential energy of an object is given by
[tex]\boxed{GPE = mgh}[/tex]
where:
GPE = gravitational potential energy
m = mass
g = acceleration due to gravity = 9.8 m/s²
h = height
[tex]\tt{\huge{\red{Solution:}}}[/tex]
Solving for the gravitational potential energy
GPE = mgh
GPE = (20 N)(300 m)
[tex]\boxed{GPE = \text{6,000 J}}[/tex]
Therefore, the gravitational potential energy of the rock is 6,000 J.
[tex]\\[/tex]
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