By now, you know that sound is produced by vibrations. these vibrations can travel through solids, liquids, and gases, but not through

If the speed of a particle triples ,by what factor does its kinetic energy increase?

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

Explain earth's motion, using the terms "precession" and "rotation" in your answer.