After Exercising for a Few Minutes,a Person Has a Respiratory $v = 1.75 \sin \left( \frac { \pi t } { 3 } \right)$

question 35

Multiple Choice

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

• A)6 sec
• B)2 sec
• C)7 sec
• D)3 sec
• E)8 sec

---

Definitions:

Power Interruption

A disruption in the flow of electrical power, which can be temporary or permanent, affecting the operation of electronic devices and systems.

RAM

Stands for Random Access Memory, a type of computer memory that can be accessed randomly; that is, any byte of memory can be accessed without touching the preceding bytes.

PLC Programming Device

A tool or software used for writing, debugging, and testing the program code for a Programmable Logic Controller.

User Program

A set of coded instructions designed to guide the operation of a computer or other device.