Dados los siguientes gráficos indicar en cada caso: -si es de encuentro o persecución,- los datos correspondiente a cada móvil, -calcular la incógnita solicitada en cada caso.

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.

At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?

What describes the particles in a liquid