{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Clickers3 - Which of the following represents a wave...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
When sound travels from air to water 1. Frequency changes, wavelength and speed are the same 2. Wavelength changes, frequency and speed are the same 3 . Both wavelength and speed change, the frequency is the same
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
The hero of a western movie listens for an oncoming train by putting his ear to the track. Does this method give an earlier warning of the approach of the train than just listening in the usual way? 1. No, the hero just wants to look cool. 2. No, since the speed of sound in air is larger than the speed of sound in metallic track 3. Yes, because the speed of sound in metallic track is larger than that in the air
Background image of page 2