For each situation, identify when sound would travel faster and why?

a. Outside on a winter day or outside on a summer day?

b. Through water or air?

c. When air pressure is high or low?

d. Through a piece of wood that floats in water or through a piece of steel that sinks in water?

e. Through a gas that is 90% nitrogen (N2) and 10% helium (He) or through a gas that is 90% helium (He) and 10% nitrogen (N2) ?

Question

Physics

Zion Burgess

21 August, 13:45

For each situation, identify when sound would travel faster and why?

a. Outside on a winter day or outside on a summer day?

b. Through water or air?

c. When air pressure is high or low?

d. Through a piece of wood that floats in water or through a piece of steel that sinks in water?

e. Through a gas that is 90% nitrogen (N2) and 10% helium (He) or through a gas that is 90% helium (He) and 10% nitrogen (N2) ?

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Answers (1)

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Iyana Whitehead · Answer 1

A. Outside on a summer day, there are less particles that the sound bounces off of (snow and wind absorb the sound)

B. Water, sound travels faster through denser objects. Water has a higher density than air.

C. High air pressure, sound moves faster through matter that is closer together. This can be said because sound can't travel through space. (There is no atmosphere and consistent particles in space for sound to go through)

D. A piece of steel, It's denser than wood and water.

E. 90% nitrogen and 10% helium, nitrogen is denser than helium so it will move faster