President Trump's threat to invoke the Insurrection Act is sparking concern among critics who warn that the law's sweeping ...
What rights do U.S. citizens and non-citizens have when they encounter law enforcement? NPR's A Martinez speaks with ...
WASHINGTON (AP) — The U.S. military would have committed a crime if it killed the survivors of an attack on an alleged drug boat, legal experts say. The Education Department is opening fewer sexual ...
Dot Physics on MSN
Electric field of a uniformly charged sphere using Gauss’s law
In this video, we use Gauss’s law to find the electric field of a uniformly charged sphere. We derive the field both inside and outside the sphere, explain the symmetry behind the Gaussian surface ...
Dot Physics on MSN
Electric field of a charged ring: Full analytical derivation
In this video, we walk through the full analytical derivation of the electric field produced by a uniformly charged ring. Using symmetry and Coulomb’s law, we derive the exact on-axis field expression ...
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