<span>D) The spring has potential energy and the hands have kinetic energy. </span>
Answer:
Thermal physics is the combined study of thermodynamics, statistical mechanics, and kinetic theory of gases. This umbrella-subject is typically designed for physics students and functions to provide a general introduction to each of three core heat-related subjects. Other authors, however, define thermal physics loosely as a summation of only thermodynamics and statistical mechanics.
Explanation:
<span>The amplitude. It is the displacement at a peak.</span>