PHYS 104 1st Edition Lecture 2 Outline of Last Lecture I. Guest Lecturera. ScalingII. Metabolic Rate vs. Body Sizea. Surface Area of animalsIII. Scalinga. Volumeb. Surface Areac. Clicker QuestionsOutline of Current Lecture IV. Measurement and Unitb. SI SystemV. Mathematical Relationshipsa. Log Rulesb. Power LawsCurrent Lecture- Measurement and Unito The SI system dominates.o Clicker Question One dose is 5mg/1lb every 12 hours. The drug has a concentration of 0.90 g/mL. The patient weights 72.7 kg. What is the mL per dose?- Convert 72.7 kg to lbs = 160 lbs.- Convert 160 lbs * 5mg/1lb = 800mg.- 800 mg * 1mL/900mg = .89 mL.- Mathematical Relationshipso R^2 The closer to 1, the more likely the graph and trend is correct. Ex. Y = 8.6x + 9.82, R^2 = 0.99o Log Rules Logab = cThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute. ac = b Log28 = 3 23 = 8o Power Laws Log (mn) = log m + log n Log (n)k = k * log(n)o Clicker Questions Log327 = x- X = 3, because 33 = 27 Logx1000 = 3- X = 10, because 103 = 1000 Log2x = 5- X = 32, because 25
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