(v=Δd/t) (d=vt +di) (a=Δv/t)  (vf =at + vi) (d=1/2at2+vit +di d=1/2(v1+v2)t       (vf2=2ad+vi2)

Random Equations

Fnet = ma Fg=mg  fk=µN  fs=µN N=mgcosθ Fx= mgsinθ  
ac=v2/r Fc= mac=mv2/r Fg=Gm1m2/r2 T2/T2=r3/r3      
W=Fd cosθ KE=½mv2 PE=mgh EPE = ½kx2 P= W/t = Fv    
p=mv Δp =mΔv = Ft Σp = Σp’ [mava+mbvb=(ma+mb)v] inelastic [(va-vb) = (v’b-v’a)] elastic    
d=θr v=ωr a = αr ac= ω2r τ= Flsinθ = F*r =Iα KE = ½Iω2 L = Iω = mvr
Fg=Kq1q2/r2 E = F/q = Kq1/r2 V= W/q = Ed PE = qEd      
Q=CV C=Q/V PE = 1/2QV = ½ CV2 = ½ (Q2/C)        
V=IR P= IV = I2R = V2/R [Rt = R1+R2+R3+… ]series [1/Rt=1/R1+1/R2+1/R3+…]parallel      
F=IlBsinθ F=qvBsinθ B=µNI/l µ = 4π*10-7 T*m/A      
v=f λ t= 1/ f   {     Lclosed=(1/4)λ ,    f’ = 1f, 3f, 5f, … } [Lopen=(1/2)λ,  f’=1f, 2f, 3f,…]        
{f’ = f(v+vobs)/(v-vsource)} Db = 10log(I/Io)    Io = 1*10-12 W/m2        
n=c/v n1sinθ1=n2sinθ2 mλ =dsinθ  
Electron:
q=-1.6x10-19 C M=9.11x10-31 kg
T= 2π√(l/g)      
Proton:  
q=+1.6x10-19 C M=1.67x10-27 kg

 

Moments of Inertia

Planetary Data