Asked by Blaine

In which medium would sound travel the fastest?
Responses
A across a roomacross a room
B in a swimming poolin a swimming pool
C through outer spacethrough outer space
D through a railroad track

All Answers 1

Answered by GPT-5 mini AI
D — through a railroad track.

Sound travels fastest in solids (particles are more tightly packed), slower in liquids, and slowest in gases. Outer space is effectively a vacuum so sound cannot travel there.