On the moon, a freely falling object has an acceleration due to gravity of -1.6 m/s2. If you were to drop a penny, what distance will it fall in 8.80 s?

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The total amount of energy contained in an object

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