(30 points) 1) Prove that: $\vec{r} \times \vec{\nabla} \cdot \vec{T} = \vec{\nabla} \cdot (\vec{r} \times \vec{T})$ Note: remember that $T_{ij} = T_{ji}$ (i.e., the Maxwell's stress tensor is symmetric) (70 points) 2) Prepare notes as if you are going to present a seminar (to graduate students) on why and how Maxwell's Equations and Lorentz force are not fully invariant under a Galilean Transformation. For this purpose, read and summarize the article referenced below (and attached to this HW assignment under MS Teams). \"On the Galilean non-invariance of Classical Electromagnetism\", European J. Phys. 30 (2009) 381-391.
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