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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

Direct Proportionality:

- A change in one variable results in the same change of the other variable


-Can be linear or non-linear

Inverse Proportionality:

- A change in one variable results in an opposite change in the other variable


-Can be linear or non-linear

Reciprocal relationship:

- Always inverse


-Variables multiplied together = 1


- Ex: 2 and 1/2 or 10 and .1

Abbreviations- f:

frequency

Abbreviations- fo:

operating frequency

Abbreviations- P:

Power---Watts

Abbreviations- I:

Intensity= power/area: W/m2

Abbreviations- p:

pressure (mmHg, kg/m2)

Abbreviations- c:

speed of sound (m/sec)

Abbreviations- Q:

Volumetric flow (m3/sec)

Abbreviations- V:

volts

Abbreviations- z:

Rayls (acoustic impedance)

Abbreviations- R:

resistance to flow

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

Powers of ten- 10x * 10y =

10 x + y

Power of ten- 10x / 10y =

10 x-y