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After Exercising for a Few Minutes, a Person Has a Respiratory

question 29

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After exercising for a few minutes, a person has a respiratory cycle for which the velocity of airflow is approximated by π\pi v=1.75sin(πt3) v = 1.75 \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 time for one full respiratory cycle.


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A legal body authorized to conduct official proceedings to investigate potential criminal conduct and to determine whether criminal charges should be brought.

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A formal charge or accusation of a serious crime, issued by a grand jury based on presented evidence.

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A reasonable basis for believing that a crime may have been committed, used as a standard for arrests and issuing warrants.

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