Symbols and Formulas



Table of Contents


Symbols:



These are the symbols that are used in the lessons:
Table Of Contents




Formulas:


Topic 2 - Mechanics

    
    
  1. vav = Ds/Dt
    
  2. aav = Dv/Dt
    
  3. v = u + at
    
  4. s = t(u + v)/2
    
  5. v2 = u2 + 2as
    
  6. s = ut + 1/2at2
    
  7. F = ma
    
  8. P = F/A
    
  9. Stress = F/A
    
  10. p  = mv
    
  11. F  = Dp/Dt
    
  12. Impulse = Dp = FDt
    
  13. Ffr  sFN
    
  14. Ffr = kFN
    
  15. W = Fs(cos(q)) = Fs (if F and X are parallel)
    
  16. Ek = 1/2mV2
    
  17. EP = mgDh 
    
  18. Eelas = 1/2ks2
    
  19. P  = DW/Dt
    
  20. s = rq
    
  21. w = Dq/Dt
    
  22. v = rw
    
  23. a = v2/r = rw2
    
  24. F = mv2/r = mrw2 = (4π2r)/T2
    
  25. x = xosinwt
    
  26. v = vocoswt
    
  27. a = aosinwt
    
  28. a = -k/mx = -w2x
    
  29. F = -kx
    
  30. T = 2p m/k
    
  31. T = 2p l/g
    
  32. F = G(m1m2)/(r2)
    
  33. V = -Gm/r
    
  34. w = wo + at
    
  35. q = wot + 1/2at2
    
  36. w2 = wo2 + 2aq
    
  37. t = r x F = rFsinq
    
  38. I = Smiri2
    
  39. L = Iw
    
  40. t = Ia
    
  41. Ek rot = 1/2Iw2   
  

 

Chapter 2 Two Dimensional Motion

    
    
  1. opp = hyp(sin(angle))
    
  2. adj = hyp(cos(angle))
    
  3. tan(angle) = opp/adj
    
  4. speed2 = Vx2 + Vy2
    
    

Topic 3:  Thermal Physics and Properties of Matter

    
    
  1. r = m/v
    
  2. C = DQ/DT     C = Heat Capacity           
    
  3. DQ = mcDT
    
  4. DQ = mL
    
  5. L = aLoDT
    
  6. DV = gVoDT
    
  7. PV = nRT
    
  8. DQ/Dt = -kA(DT/Dx) 
    
  9. DQ = DU + DW
    
  10. Efficiency = (Q1 + Q2)/Q1
    
  11. Efficiency = (T1 + T2)/T1      (Carnot Ideal)
    
  12. DS = DQ/T
    

Topic 4 Waves

    
    
  1.  = 1/T
    
  2. v = l
    
  3. y = Asin(wt  kx)   where k = 2π/l and w = 2π
    
  4. y = 2Acos(kx)sin(wt)
    
  5. beat = |1 - 2|
    
  6. n = c/v
    
  7. 1n2 = sinq1/sinq2 =c1/c2
    
  8. 1 = (   1   )   moving source
         (1  vs/v)
    
  9. 1 = (   1   )   moving observer
         (1  v0/v)
    
  10. v = T/
    
    

Topic 5: Electricity and Magnetism

    
    
  1. F =  k(q1q2)/r2   =         1        x   (q1q2)/r2 
                                       4πε0 
  2. E = F/q
  3. E = -DV/Dx 
  4. E = k  q   =      1     x      q            where q is point charge
              r2        4πЄ0          r2   
  5. DV = DW/q
  6. mv2 = eV
  7. V = k  q   =      1     x      q            where q is point charge
               r         4πЄ0          r    
  8. I = Dq/Dt
  9. R = V/I
  10. P = VI = I2R = V2/R
  11. F = qV x B = qVBsinq
  12. F = Il x B = IlBsinq
  13. B = μ0/2π  x  I/r
  14. B = μ0(NI/l) 
  15. F = (μ0/2π)  x  (I1I2l)/r
  16. Ф = B  A = BAcosq
  17. ε = -DФ/Dt
  18. ε = -N(DФ/Dt)
  19. ε = Blv
  20. (Vp/Vs) = (np/ns) = (Is/Ip)
  21. Pav = Irms Vrms
  22. Irms = (I0/2), where I = I0 sinwt
    
    

Topic 6: Atomic and Nuclear Physics

    
    
  1. E = DV/Dd
  2. mv2 = eV
  3. E = hf
  4. mv2max = hf - W0
  5. hf = hf0 + eVs
  6. (1/l) = RH((1/n2) - (1/m2))
  7. mrvn = (nh/2π)
  8. lmin = (hc/eV)
  9. nl = 2dsinq  (X-ray diffraction)
  10. l = (h/p)
  11. N = N0(e^-lt)
  12. T1 = (ln2/l)
     2
  13. DE = Dmc2
    

Chapter 7 Angular Mechanics

  1. under construction......
  2. Angular Mechanics II

Chapter 8 Statics

  1. Center Of Mass

Chapter 9 Fluids

  1. Fluids

Chapter 11 Simple Harmonic Motion

  1. Simple Harmonic Motion Problems
Table Of Contents