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(a) The total, kinetic, and potential energies over time using the coarse mesh scaled by E0 = 29.27 J, which is the initial total energy; (b) The relative errors of the total energy over time for the two different meshes; (c) The x-, y-, and z-components of the linear momentum are plotted in the blue, red, and black colors respectively, and the results for the fine mesh and coarse mesh are plotted in solid and dashed lines respectively.
