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What best describes the motion of the medium particles in a longitudinal wave?

The medium does not move.
The medium moves in all directions.
The medium vibrates as it moves in a circular path around the wave.
The medium vibrates parallel to the direction of the wave.

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
5 days ago

The best description of the motion of the medium particles in a longitudinal wave is:

**The medium vibrates parallel to the direction of the wave.**

In a longitudinal wave, such as a sound wave, the particles of the medium move back and forth in the same direction as the wave is traveling, creating regions of compression and rarefaction.