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# lecture04 - Physics 101 Lecture 04 Kinematics Dynamics...

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Physics 101: Lecture 4, Pg 1 Kinematics + Dynamics Physics 101: Lecture 04 Today’s lecture will cover Textbook Chapter 4 Register late = excused absence. Visit undergraduate office 230/231 Loomis. If you are new to the course, please read the course description on the course web page (and email policy from Lecture 1 note)! neptune

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Physics 101: Lecture 4, Pg 2 What s Most Difficult •I find vectors to be difficult to conceptualize. •I understand forces are present but I am having trouble breaking them down into the x and y directions. •Remembering all of my high school Trig. •The class is moving a little too fast. •I don't think the concepts are quite difficult yet, but I feel like the class is moving at fast pace.
Physics 101: Lecture 4, Pg 3 You can review vectors using the textbook!!! Pages 28-35 of Textbook This also includes trigonometry

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Physics 101: Lecture 4, Pg 4 Review Kinematics : Description of Motion Position Displacement Velocity v = D x / D t »average »instantaneous Acceleration a = D v / D t »average »instantaneous Relative velocity: v ac = v ab + v bc
Physics 101: Lecture 4, Pg 5 Preflight 4.1 (A) (B) (C) •Which x vs t plot shows positive acceleration? 89% got this correct!!!!

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lecture04 - Physics 101 Lecture 04 Kinematics Dynamics...

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