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4 cards from this section. Quick, good the night before a test.
What type of wave is a sound wave?
Think about the direction of particle movement.
True or False: Sound can travel through a vacuum.
Recall what is necessary for sound to move.
What type of wave is a sound wave?
Consider the direction of movement.
True or false: Sound travels faster through air than through metal.
Remember the concept of speed and medium.
If a sound wave travels through air at 343 m/s and hits a wall 200 meters away, how long will it take for the sound to return as an echo?
Consider both the forward and return distance.
Two sound waves travel through different media, one in water and the other in air. If their speeds are respectively 1482 m/s and 343 m/s, by what factor is the speed of sound greater in water than in air?
Use division to discover the relationship between the two speeds.
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