Physics, 14.06.2021 15:50 kristieL50
After a lockdown drill at a school, the management team noted that the lockdown siren has a low volume and low pitch making it difficult to be heard at a distance. They called the company that supplied the siren and asked them to make the alarm louder and to give it a higher pitch. What effect does the change have on the resulting sound wave produced by the siren
Answers: 1
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Amarble, a bowling ball, a basketball, and a baseball are rolling across the floor at 10 m/s. which one has the greatest kinetic energy? the marble the bowling ball the basketball the baseball
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An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?
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Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?
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After a lockdown drill at a school, the management team noted that the lockdown siren has a low volu...
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