A jogger runs due north for 3.0 km, then turns due east and runs for 5.0 km, and then turns due north and runs 2.0 km. Use the graphical method to find the magnitude of the jogger's net displacement.

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