For a Person at Rest, the Velocity V (In Liters $\pi$

question 321

Multiple Choice

For a person at rest, the velocity v (in liters per second) of airflow during a respiratory cycle (the time from the beginning of one breath to the beginning of the next) is given by $\pi$ $v = 0.85 \sin \left( \frac { \pi t } { 3 } \right)$ ,

Where t is the time (in seconds) .
(Inhalation occurs when v > 0 and exhalation occurs when v < 0.)

Find the number of cycles per minute.

• A)14 cycles/min
• B)11 cycles/min
• C)10 cycles/min
• D)15 cycles/min
• E)12 cycles/min

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Definitions:

Range

In statistics, range refers to the difference between the highest and lowest values in a data set.

Class Intervals

The range of values into which data points in a dataset are grouped for the purpose of creating a frequency distribution.

Frequency Distribution

A statistical representation showing the number of times each value appears in a dataset, often visualized as a table or graph.

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