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A loud alarm attached to a metal fence begins to ring. Student X has her ear against a pole of the fence while student Y stands away from the fence, as shown below. Both students are the same distance from the alarm. Which of the following statements explains what happens in this situation?

A. Student Y hears the alarm at a higher pitch because gases are denser than solids.
B. Student X hears the alarm at a higher pitch because solids are denser than gases.
C. Student Y hears the alarm first because sound travels faster in gases than in solids.
D. Student X hears the alarm first because sound travels faster in solids than in gases.

A loud alarm attached to a metal fence begins to ring Student X has her ear against a pole of the fence while student Y stands away from the fence as shown belo class=

Respuesta :

pstnonsonjoku

Student X hears the alarm first because sound travels faster in solids than in gases.

Speed of sound

Sound is a wave, as such, sound waves are able to travel across long distances. The speed of sound is greatest in solids since the gases have a high density owing to the fact that the molecules are closely packed.

Now, we can infer from this that student X hears the alarm first because sound travels faster in solids than in gases.

Learn more about speed of sound: https://brainly.com/question/15381147

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