s Displacement (meters: m)
t Time (seconds: s)
u Initial velocity (meters per second: m/s)
vav Average Velocity (meters per second: m/s)
v Final Velocity (meters per second: m/s)
a Acceleration (meters per second per second: m/s/s)
g Acceleration of Gravity on Earth (meters per second per second: 9.80 m/s/s)
m Mass (kilograms: kg)
F Force (Newtons: N = kg m/s/s)
FN Normal Force (Newtons: N = kg m/s/s)
μ Coefficient of Friction
W Work (Joules: J = kg m2/s/s)
EP Potential Energy (Joules: J = kg m2/s/s)
EK Kinetic Energy (Joules: J = kg m2/s/s)
P Power (Watts: W = kg m2/s/s/s)
p Momentum (Bergevins: B = kg m/s)
G Universal Gravitation Constant (6.67 x 10-11 Nm2/kg2)
r Radius of a circle (m)
q Angular Displacement (Radians: rad)
wo Angular Initial velocity (radian per second: rad/s)
wave Angular Average Velocity (radian per second: rad/s)
w Angular Final Velocity (radian per second: rad/s)
a Angular Acceleration (radians/s/s)
t Torque (Nm)
I Moment of Inertia (kg m2)
L Angular Momentum (kg m2/s)
r Density (kg/m3)
V Volume (m3)
Table Of Contents
vav = Ds/Dt
aav = Dv/Dt
v = u + at
s = t(u + v)/2
v2 = u2 + 2as
s = ut + 1/2at2
F = ma
P = F/A
Stress = F/A
p = mv
F = Dp/Dt
Imµpulse = Dp = FDt
Ffr £ µsFN
Ffr = µkFN
W = Fs(cos(q)) = Fs (if F and X are parallel)
Ek = 1/2mV2
EP = mgDh
Eelas = 1/2ks2
P = DW/Dt
s = rq
w = Dq/Dt
v = rw
a = v2/r = rw2
F = mv2/r = mrw2 = (4π2r)/T2
x = xosinwt
v = vocoswt
a = aosinwt
a = -k/mx = -w2x
F = -kx
T = 2p Öm/k
T = 2p Öl/g
F = G(m1m2)/(r2)
V = -Gm/r
w = wo + at
q = wot + 1/2at2
w2 = wo2 + 2aq
t = r x F = rFsinq
I = Smiri2
L = Iw
t = Ia
Ek rot = 1/2Iw2
opp = hyp(sin(angle))
adj = hyp(cos(angle))
tan(angle) = opp/adj
speed2 = Vx2 + Vy2
r = m/v
C = DQ/DT C = Heat Capacity
DQ = mcDT
DQ = mL
L = aLoDT
DV = gVoDT
PV = nRT
DQ/Dt = -kA(DT/Dx)
DQ = DU + DW
Efficiency = (Q1 + Q2)/Q1
Efficiency = (T1 + T2)/T1 (Carnot Ideal)
DS = DQ/T
¦ = 1/T
v = ¦l
y = Asin(wt ± kx) where k = 2π/l and w = 2π¦
y = 2Acos(kx)sin(wt)
¦beat = |¦1 - ¦2|
n = c/v
1n2 = sinq1/sinq2 =c1/c2
¦1 = ( 1 )¦ moving source (1 ± vs/v)
¦1 = ( 1 )¦ moving observer (1 ± v0/v)
v = ÖT/µ
F = k(q1q2)/r2 = 1 x (q1q2)/r2 4πε0
E = F/q
E = -DV/Dx
E = k q = 1 x q where q is point charge r2 4πЄ0 r2
DV = DW/q
½mv2 = eV
V = k q = 1 x q where q is point charge r 4πЄ0 r
I = Dq/Dt
R = V/I
P = VI = I2R = V2/R
F = qV x B = qVBsinq
F = Il x B = IlBsinq
B = μ0/2π x I/r
B = μ0(NI/l)
F = (μ0/2π) x (I1I2l)/r
Ф = B A = BAcosq
ε = -DФ/Dt
ε = -N(DФ/Dt)
ε = Blv
(Vp/Vs) = (np/ns) = (Is/Ip)
Pav = Irms Vrms
Irms = (I0/Ö2), where I = I0 sinwt
E = DV/Dd
½mv2 = eV
E = hf
½mv2max = hf - W0
hf = hf0 + eVs
(1/l) = RH((1/n2) - (1/m2))
mrvn = (nh/2π)
lmin = (hc/eV)
nl = 2dsinq (X-ray diffraction)
l = (h/p)
N = N0(e^-lt)
T1 = (ln2/l) 2
DE = Dmc2