200810P2B Formulae Sheet

# 200810P2B Formulae Sheet - Physics 2B Formula Sheet...

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Physics 2B Formula Sheet Electricity and Magnetism ………..Page 4 Introduction Motion in One Dimension g =- 9.80 m/s² x=[-b+/-SQRT(-b 2 -4ac) 1/2 ]/2a The Laws of Motion ƒs µ s N ƒk = µ k N Energy PE = mgy F = - k x Momentum and Collisions Rotational Motion and The Law of Gravity 1. v=r ϖ 2. a t =r α 3. a c 2 r 4. ϖ =2 π f G=6.67X10 -11 N.m 2 /kg 2 1 sin cos tan opposite side hypotenuse adjacent side hypotenuse opposite side adjacent side θ θ θ = = = 2 2 2 r x y = + - = = - f i average f i x x x v t t t - = = - f i f i v v v a t t t ( 29 = + = = + = + = + 2 2 2 1 2 1 2 2 o o o o v v at x vt v v t x v t at v v a x or m m α = F a F a r r r r 2 2 1 r m m G F g = 0 = F r 0 0 x y F and F = = x F W ) cos ( θ 2 2 1 mv KE = net f i W KE KE KE = - = ∆ f i gravity PE PE W - = 2 2 1 kx PE s = m = p v r r 1 1 2 2 1 1 2 2 i i f f m m m m + = + v v v v r r r r ) ( 2 1 2 1 f f i i v v v v - - = - = - f i e i f M M v v v ln ° = ° = 3 . 57 2 360 1 π rad f i av f i t t t θ θ θ ϖ - = = - f i av f i t t t ϖ ϖ ϖ α - = = - t = I

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