Exam1FormulaSheet - PHYSICS 1210 FALL 2009 EXAM 1 FORMULA...

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P HYSICS 1210 F ALL 2009 E XAM 1 F ORMULA S HEET NOTES: 1) DO NOT WRITE ANYTHING ON THIS SHEET 2) YOU CAN ONLY USE FORMULAS ON THIS SHEET. 1D Kinematics 2D Kinematics i f x x x = Δ (displacement) Equations of motion: i f r r r r r r = Δ (displacement) t x v Δ Δ = (average velocity) at v v + = 0 t r v AV Δ Δ = r r t v v t v a i f AV Δ = Δ Δ = r r r r average speed =distance/ t t v v x x ) ( 2 1 0 0 + + = projectile motion: t v x x x 0 0 + = x x v v 0 = t v v t v a i f Δ = Δ Δ = 2 0 0 2 1 at t v x x + + = 2 0 0 2 1 t a t v y y y y + + = t a v v y y y + = 0 (average acceleration) ) ( 2 0 2 0 2 x x a v v + = t v v y y y oy ) ( 2 1 0 + + = ) ( 2 0 2 0 2 y y a v v y y y = Dynamics Newton’s 2 nd law : F = m a or x x ma F = Σ y y ma F = Σ W = mg (weight) N s s F f μ
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