PHY 102 1st Edition Lecture 6 Outline of Last Lecture I Graphing a Things to know b Proportional Outline of Current Lecture I Graphing examples A Bicycle example 1 B Instructions Two slopes II Functions to Know Current Lecture III Graphing Examples A 2 bicycles are going at constant speeds One is going at 3 m s and the other at 5 m s The first bicycle has a 10 m headstart at t 0 When will their paths cross 1 Graph the two lines 2 Set up the equation with the y intercept 10 for the first bike 3 Determine the intersection point 4 Slope units of the y axis units of the x axis B If two slopes intersect and one is a positive constant speed and the other is a negative constant speed they are moving in opposite directions These 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 IV Know these functions A Proportions y mx B Linear y mx b C Inverse y A x D Top opening parabola y Ax 2 E Right opening parabola y 2 ax
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