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Mathematics Clinic => Grade 11 and 12 Mathematics => Topic started by: luminitza on Feb 28, 2021

Title: Before exercising, an athlete measures her air flow and obtains a = 0.65 sin where ...
Post by: luminitza on Feb 28, 2021

Solve the problem.

Before exercising, an athlete measures her air flow and obtains  a = 0.65 sin where a is measured in liters per second and t is the time in seconds. If the athlete is inhaling; if the athlete is exhaling. The time to complete one complete inhalation/exhalation sequence is a respiratory cycle. Find the values of t for which the athlete's air flow is zero. Find all values of t for seconds.

Title: Before exercising, an athlete measures her air flow and obtains a = 0.65 sin where ...
Post by: kmb352 on Feb 28, 2021

t = 0, 2.5, 5, 7.5, 10, 12.5, 15, 17.5

Title: Re: Before exercising, an athlete measures her air flow and obtains a = 0.65 sin where ...
Post by: Ravens2005 on Mar 2, 2022

Thank you so much!!