Our cycle of normal breathing takes place every 5 seconds. Velocity of air flow, y, measured in liters per second, after x seconds is modeled by : y=0.6sin(2Ĉ/5)x. Velocity of air flow is positive when we inhale.
Within each breathing cycle, when are we inhaling 0.3 liters per second? Round to the nearest tenth of a second.
2 answers
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