Module 14: Waves and Sound
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| Transverse wave | A wave with a direction of propagation that is perpendicular to its direction of oscillation
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| Longitudinal wave | A wave with a direction of propagation that is parallel to its direction of oscillation
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| Supersonic speed | Any speed that is faster than the speed of sound in the substance of interest
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| Sonic boom | The sound produced as a result of an object traveling at or above Mach 1
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| Pitch | An indication of how high or low a sound is, which is primarily determined by the frequency of the sound wave
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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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