The bar rides on parallel metal rails connected through R 25.6-2, so the apparatus makes a complete circuit. You can ignore the resistance of the bar and the rails. A) Calculate the magnitude of the emf induced in the circuit. B) Find the direction of the current induced in the circuit. C) Calculate the current through the resistor.

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system