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Lecture 4

# Lecture 4 - Physics 110 Lesson 4 Problem Set 1 due today...

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Physics 110 - Lesson 4 Problem Set 1 due today Problem Set 2 handed out today and due next Wednesday Discussion session: Tuesdays 7 – 9 PM in YK220-001 (York St 220 - Room 001)

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Physics 110 - Lesson 4 Problem Set 1 due today Problem Set 2 handed out today and due next Wednesday Discussion session: Tuesdays 7 – 9 PM in YK220-001 (York St 220 - Room 001) Email Requests and Questions about Class to all below!! Christine Nattrass – [email protected] Matt Phillips – [email protected] Ed Fung - [email protected] Today’s Lesson : Concept Questions – Projectile Motion revisited Chapter 4 – Forces and Motion Applications… How does a magician pull a table cloth out from under a plate? Why is it difficult to stop a car in the winter? How fast does rain fall?
Inertial Frames Projectile Motion - Revisited Independence of vertical and horizontal motions Falling Object Projectile “Motion” v horizontal = constant “Rest” v horizontal = 0 1) Vertical motion determines the time in the air: d v = 1/2 a v t 2 t 2 = 2 d v / a v 2) Horizontal velocity and time in the air determine the horizontal distance: d h = v h t

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