MCAS Physics Exam Practice

Category - Introductory Physics

The water contained in a geyser system gains energy from the underground material surrounding it. The water molecules gain kinetic energy and this results in an increase in the pressure of the water. Eventually the geyser erupts and expels water into the air above ground. Which of the following types of energy is the source for the initial energy gain of the water?
  1. electrical
  2. magnetic
  3. mechanical
  4. thermal
Explanation
Answer: D - thermal
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