A ball is moving with a kinetic energy of 197 J. The gym floor is still sticky from the snack-bar from the school stomp the night before though and when the ball rolls over it, a frictional force of 6 N is applied over a distance of 9 meters. How much kinetic energy, in Joules, does the ball have after this ordeal?

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