Fоrmulаs:Chаpter 1:Cоnversiоn FаctorsLENGTH 1 in=2.54 cm1 cm=0.394 in1 ft =30.5 cm1 m=39.4 in=3.281 ft1 km=0.621 mi1 mi =5280 ft =1.609 km1 light-year =9.461×1015m METRIC PREFIXESPrefix Symbol MeaningGiga- G 1000000000 times the unitMega- M 1000000 times the unitKilo- k 1000 times the unitHecto- h 100 times the unitDeka- da 10 times the unit Base UnitDeci- d 0.1 of the unitCenti- c 0.01 of the unitMilli- m 0.001 of the unitMicro- µ 0.000 001 of the unitNano- n 0.000 000 001 of the unitChapter2:Velocity and SpeedAverage Speed = distance travelledtime elapsedSpeed = ∆distance∆time = ∆x∆t=x2-x1t2-t1Average Acceleration = change in velocitychange in time= v2-v1t2-t1 =∆v∆tConstant Acceleration Equationsv =v0+ at x = x0+v0t+12at2v2 =v02+2a(x-x0)x = x0+12(v0+v) sometimes written as v¯ = v+v02Free Falling Motion Equationsv =v0+ gt y = y0+v0t+12gt2v2 =v02+2g(y-y0)x = x0+12(v0+v) sometimes written as v¯ = v+v02Chapter 3x = r cos θ , y = r sin θr = x2+y2θ=tan-1yxRange Equation: R = v02sin2θgChapter 4:Newton's Second Law: F = maNewton's Third Law: FAB = - FBAWeight = mgGravity = 9.8 ms2Chapter 5:Static Friction: fS≤μSN⇀ where N⇀ is the Normal ForceKinetic Friction: fK = μKN⇀ where N⇀ is the Normal Force