A plane flies hours at mph on a bearing of. It then turns and flies hours at the same speed on a bearing of. How far is the plane from its starting point?.

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