After exercising for a few minutes, a person has a respiratory cycle for which the velocity of airflow is approximated by $\pi$ $v = 1.75 \sin \left( \frac { \pi t } { 3 } \right)$ ,

Where t is the time (in seconds) .
(Inhalation occurs when v > 0 and exhalation occurs when v < 0.)
Select the graph of this velocity function.

Question

After exercising for a few minutes, a person has a respiratory cycle for which the velocity of airflow is approximated by$\pi$ $v = 1.75 \sin \left( \frac { \pi t } { 3 } \right)$ ,
 
Where t is the time (in seconds).
(Inhalation occurs when v > 0 and exhalation occurs when v < 0.)
Select the graph of this velocity function.

Quizplus · Accepted Answer

The Answer of After exercising for a few minutes, a person has a respiratory cycle for which the velocity of airflow is approximated by$\pi$ $v = 1.75 \sin \left( \frac { \pi t } { 3 } \right)$ ,
 
Where t is the time (in seconds).
(Inhalation occurs when v > 0 and exhalation occurs when v < 0.)
Select the graph of this velocity function.

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