[tex]\tt{\huge{\blue{Explanation:}}}[/tex]
The potential energy of an object is given by
[tex]\boxed{PE = mgh}[/tex]
where:
PE = potential energy
m = mass
g = acceleration due to gravity = 9.8 m/s²
h = height
[tex]\tt{\huge{\red{Solution:}}}[/tex]
Solving for PE
PE = mgh
PE = (4 kg)(9.8 m/s²)(2 m)
[tex]\boxed{PE = \text{78.4 J}}[/tex]
Therefore, the potential energy of the bag is 78.4 J.
[tex]\\[/tex]
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