Fperson =[( velocity of wind )+ or - (velocity of person)] / [(velocity of wind) + or - (velocity of sounds)] x frekuency of sounds
Answer:
They speed up as temperature increases.
Explanation:
As temperatures increases within a molecule the particles will speed up.
<span>This reduction happens because potential energy transforms to "thermal energy" and "sound energy"
Hope this helps!</span>
Sound is produced when something <span>vibrates.
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B is the answer
Explanation: look at the graph
