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Exam2FormulaSheet

# Exam2FormulaSheet - PHYSICS 1210 FALL 2010 EXAM 2 FORMULA...

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P HYSICS 1210 F ALL 2010 E XAM 2 F ORMULA S HEET NOTES: YOU CAN ONLY USE FORMULAS ON THIS SHEET. K i n e m a t i c s D y n a m i c s General definitions: Equations of motion: F = m a (Newton’s 2 nd law) i f x x x (displacement) at v v 0 W = mg (weight) t x v (average velocity) t v v x x ) ( 2 1 0 0 N s s F f (static friction) average speed =distance/ t 2 0 0 2 1 at t v x x N k k F f (kinetic friction) t v v t v a i f (average accele.) ) ( 2 0 2 0 2 x x a v v r v a c 2 (centripetal Acceleration) Work, Energy, etc period r v 2 (circular motion)  d F W cos (work) v F t W P (average power) 2 2 1 mv KE (translational kinetic energy) mgh PE gravity (gravitational potential energy) 2 2 1 kx PE sprin (spring potential energy) 2 2 1 2 2 1 kx mgh mv PE KE E (mechanical energy without rotation) 2 2 1 2 2 1 i f i f total mv mv KE KE KE W (work-energy theorem)
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