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Unformatted text preview: Quiet please ladies and gentlemen The lecture is about to begin n How do we go through the tumble dryer? How do we relate to υ ϖ a to α Rotational mechanics for a point object θ ∆ S ∆ R t θ ϖ ∆ = ∆ S R θ ∆ ∆ = 1 S R t ϖ ∆ = ∆ 1 R ϖ υ = 1 S R t ϖ ∆ = ∆ R υ ϖ = Rotational mechanics for a point object θ ∆ R t θ ϖ ∆ = ∆ 1 R ϖ υ = R υ ϖ = t ϖ α ∆ = ∆ 1 R t υ ∆ = ∆ 1 R t υ ∆ = ∆ 1 a R = 1 a R α = a R α = Linear world Rotational world x ∆ x t υ ∆ = ∆ [ ] m [ ] / m s a t υ ∆ = ∆ 2 / m s F [ ] N W F x = ∆ [ ] J θ ∆ t θ ϖ ∆ = ∆ [ ] rad [ ] / rad s t ϖ α ∆ = ∆ 2 / rad s F l τ = [ ] N m W τ θ = ∆ [ ] J R υ ϖ = a R α = Rotational Kinetic Energy R R υ ϖ = 2 1 2 KE m υ = ( 29 2 1 2 KE m R ϖ = 2 2 1 2 KE mR ϖ = 2 1 2 KE I ϖ = 2 I mR = =The moment of inertia 2 kg m Linear world Rotational world x ∆ x t υ ∆ = ∆ [ ] m [ ] / m s a t υ ∆ = ∆ 2 / m s F [ ] N W F x = ∆ [ ] J θ ∆ t θ ϖ ∆ = ∆ [ ] rad [ ] / rad s t ϖ α ∆ = ∆ 2 / rad s...
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This note was uploaded on 04/07/2012 for the course PHYS 111 taught by Professor Dr.jackman during the Fall '07 term at Waterloo.
 Fall '07
 Dr.Jackman
 Physics, mechanics

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