A skydiver falls out of a plane at a height of 5400 m above the ground. Their parachute is unable to open. How fast will the skydiver be moving when right before they hit the ground? Assume no air resistance. Make sure you EXPLAIN how you found it.

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