Formula Sheet S 1-2021-Week2 PDF

Preview

Summary

Formula sheet, very extensive and really easy to understand...

Description

FORMULA SHEET Physical Constants:

h = 6.626 ´ 10-34 J.s e = 1.602 × 10-19 C c = 3.00 × 108 m/s mp = 1.67 ´ 10-27 kg 23 N = 6.02 ´ 10 /mol k = 9 × 109 N.m2/C2 2 g = 9.81 m/s r water = 1.00 x 103 kg/m3 Standard atmospheric pressure = 1.01 × 105 Pa 0° C = 273.15 K

me = 9.109 × 10-31 kg kB = 1.38 × 10-23 J/K s = 5.67 × 10-8 J/s/m2/K4 csound in air = 343 m/s

Prefixes: kilo milli

k m

10 3 10-3

10 6 10-6

Mega M micro µ

Giga nano

10 9 10-9

G n

Equations: v=x /t

vf 2 = vi2 + 2 a x

vav = (vf + vi) / 2

KE =

1 2 mv 2

q q Fe = k 1 2 2 r

SF = ma

Fsmax =

GPE = m g (y-yo)

! ! F E= qo

V =

x = vi t + a t2 / 2

vf = vi + a t

µ s FN

Fk = µ k FN

𝜏" = "𝐹"𝑥

P = DE / Dt

W = F cos q s

kq r

Week 2 formulae = Week 3 quiz

EPE = q V

I =

Dq Dt

V = IR

R = Ro[1 +a (T - To )]

1 Rparallel

$ !1 1 = # + +... & % " R1 R2

æ v ö f o = f s ç1 ± o ÷ cø è

QH TH = QC TC

P = IV = V2/R = I2R

R = rL /A

RSeries = R1 + R2 + ...

(moving observer)

Q=

kADTt L

æ ç 1 = fo f s ç vs ç ç 1± c è

ö ÷ ÷ ÷ ÷ ø

(moving source)

Q = es T 4 At

1

Q = mcD T

r =

m V

P = Po + r g h

DU = Q – W

Q = mL

P=

F A

P2 = P1 + rgh

r1 A1v1 = r 2 A2 v2

1 1 P1 + ρv12 + ρ gy1 = P2 + ρv22 + ρ gy2 2 2

e = 1 – Qc/Qh f = 1/T

2px ö æ y = A sinç 2pft ± ÷ l ø è

dB = 10 log10 (I1 / I0)

v=

F m/ L

w = 2p f

t = Force x distance

v = lf

n1 sin q1= n2 sin q2

n=

c v

m=

v ö æ f o = f sç 1± rel ÷ c ø è

1 1 1 + = d o di f

f =R/2

lfilm = 2t

sin 𝜃*+ =

DE =Dmc2

N = N o e - lt

,,.

tan 𝜃1 =

hi d =- i ho do

E = hf

,. ,-

DN = -lN Dt

𝑑 sin 𝜃 = 𝑚𝜆

T1 / 2 =

0.693

l...