Si se tiene las cargas electricas q1=3Uc , q2= 4Uc ,q3= -2Uc ,q4= -4,5Uc determinar el valor resultante de la fuerza electrica en la carga q2 segun las figuras indicadas

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