The change in potential energy of the spring will be =332.9 J
What is potential energy?
The potential energy is defined as the energy possessed by any object due to their position with respect to thier mean position.
The energy of the spring is given as
[tex]E=\dfrac{1}{2}kx^2[/tex]
Now PE at point x= 0.26 m
[tex]E_1=\dfrac{1}{2}\times 1140\times 0.26^2=22.8\ J[/tex]
Now PE at point x= 0.79 m
[tex]E_2=\dfrac{1}{2}\times 1140\times (0.79)^2=355.7\ J[/tex]
The change in potential energy will be
[tex]\Delta E=E_2-E_1=355.7-22.8=332.9\ J[/tex]
Hence the change in potential energy of the spring will be =332.9 J
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