Answer:
The potential energy of the ball having 2kg mass would be [tex]392[/tex] J
Step-by-step explanation:
I am assuming the ball has a mass of 2 kg, as you have not mentioned the mass of a ball.
Considering the formula for calculating the gravitational potential energy
[tex]G.P.E\:=\:m.g.h[/tex]
As
[tex]m = 2[/tex] kg
Acceleration of gravity = g = 9.8 [tex]ms^{-2}[/tex]
As the ball is on the height = h = 20 meters
So,
[tex]G.P.E\:=\:(2)(9.8)(20)[/tex]
[tex]G.P.E\:=392[/tex] J
Therefore, the potential energy of the ball = [tex]392[/tex] J
Keywords: potential energy, Gravitation potential energy
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