Essmyer Ch.26 Vocab
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| show | pitch
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| term applied to sound pitch too low to be heard by the human ear, that is, below 20 hertz. | show 🗑
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| show | ultrasonic
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| show | compression
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| show | rarefaction
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| a frequency at which an elastic object, once energized, will vibrate. minimum energy is required to continue vibration at that frequency. also called resonant frequency. | show 🗑
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| show | forced vibration
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| show | resonance
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| show | beats
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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essmyer
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