Final Formula Sheet - Final Formula Sheet Vf = Vi at X =(Vi...

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Final Formula Sheet 05/08/2007 17:49:00 Vf = Vi + at                     1cm^3=1*10^-6 m^3      1cm^2=1*10^-4 m^2   X =  ½ (Vi + Vf)t                                                        1L = 1*10^-3  m^3 X = Vi*t + 1/2at^2 -  Xf = Xi + Vit + 1/2at^2 V^2 = Vi^2 + 2a X  -  Vf^2 – Vi^2 = 2a(Xf – Xi) Velocity Components: horizontal Vx = ViCos θ                                  Vertical Vy = ViSin θ  + at X = ViCos θ (t)      Y = ViSin θ (t) + 1/2at^2 straight line distance =  ( X^2 +  Y^2)     max height = (Vi^2Sin^2 θ )/ 2g F = ma     w=mg    Fn=mg    ma=T – mg    a= - μ (g)    Ff =  μ Fn   Ff =  μ mg W = F X      W= Fcos θ∆ X       W = (ma) X          Wfric = - μ mg(d) Wnet =  KE         KE = 1/2 mv^2        PE = mgh avg. power P = W/ t       P = Fv       momentum P = mv      F t = m v      I=F t      F t =  P     F = P/ t     I= P Elastic collision: bounce. Pi = Pf and Ei = Ef     V1i – V2i = -V1f + V2f
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