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17 Cards in this Set
- Front
- Back
Graphs: |
- Visually represents relationships between variables - Method to display information -Horizontal x-axis - Vertical y-axis |
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Direct Proportionality: |
- A change in one variable results in the same change of the other variable -Can be linear or non-linear |
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Inverse Proportionality: |
- A change in one variable results in an opposite change in the other variable -Can be linear or non-linear |
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Reciprocal relationship: |
- Always inverse -Variables multiplied together = 1 - Ex: 2 and 1/2 or 10 and .1 |
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Abbreviations- f: |
frequency |
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Abbreviations- fo: |
operating frequency |
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Abbreviations- P: |
Power---Watts |
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Abbreviations- I: |
Intensity= power/area: W/m2 |
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Abbreviations- p: |
pressure (mmHg, kg/m2) |
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Abbreviations- c: |
speed of sound (m/sec) |
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Abbreviations- Q: |
Volumetric flow (m3/sec) |
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Abbreviations- V: |
volts |
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Abbreviations- z: |
Rayls (acoustic impedance) |
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Abbreviations- R: |
resistance to flow |
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Powers of ten: |
- giga (G)= 10^9 -mega(M)= 10^ 6 - kilo (k)= 10^3 - hecto (h) = 10^2 -deca (da) = 10^1 - deci (d) = 10^ -1 - centi (c) = 10^ -2 - milli (m) = 10^-3 - micro = 10 ^-6 - nano (n) = 10 ^-9 |
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Powers of ten- 10x * 10y = |
10 x + y |
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Power of ten- 10x / 10y = |
10 x-y |