Scenario 2 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

v=0.85 + sin

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

<0.)

(a) Find the time for one full respiratory cycle.

Between 1518 and 1548, spanish conquistadores conquered most of the new world, motivated by the a) desire for scientific knowledge. b)  to urge to claim more territory for spain. c) belief that an all-water western route to the orient existed. d) desire to advance national glory, serve god, and seek personal wealth.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period.the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided.a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs.an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.

The president’s role in a political party is to set the legislative agenda true or false