A meteor falls toward Earth's surface Given that the acceleration due to gravity is 9.8 m/s what is the meteors potential energy if it has a mass of 20 kg at an altitude of 500 m? A 4J
B. 1,020 J
C. 24.500,000 J
D. 98,000 J

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