Page i of ii
NATIONAL SENIOR CERTIFICATE: PHYSICAL SCIENCES: PAPER I – DATA SHEET
EXAMINATION DATA SHEET FOR THE PHYSICAL SCIENCES
(PHYSICS)
TABLE 1
PHYSICAL CONSTANTS
NAME
SYMBOL
VALUE
Acceleration due to gravity
g
9,8 m⋅s–2
Speed of light in a vacuum
c
3,0 × 108 m⋅s–1
Universal gravitational constant
G
6,7 × 10−11 N⋅m2⋅kg–2
Coulomb's constant
k
9,0 × 109 N⋅m2⋅C–2
Magnitude of charge on electron
e
1,6 × 10–19 C
Mass of an electron
me
9,1 × 10–31 kg
Planck's constant
h
6,6 × 10–34 J⋅s
1 electron volt
eV
1,6 × 10–19 J
TABLE 2
PHYSICS FORMULAE
MOTION
v= u + at or v f = v i + a∆t
 v + vi 
v +u 
=
∆x  f
s=
t or
 ∆t

 2 
 2 
2
v=
u 2 + 2as or v f 2 = v i 2 + 2a∆x
s= ut + 21 at 2 or ∆x = v i ∆t + 21 a( ∆t )2
Fnet = ma
FORCE AND MOMENTUM
∆p
Fnet =
∆t
or
Fnet ∆t = m∆v
p = mv
Fg = mg
WORK, ENERGY AND POWER
W
W = Fs or W = F ∆x
P=
or W =
F ∆x cos θ
t
1
E p = mgh
Wnet = ∆EK
Ek = mv 2
2
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J = ∆p= mv − mu
or
= mv f − mv i
J = ∆p
Ffsmax = ms FN
Ffk = µk FN
P = Fv
efficiency
=
powerout
× 100
powerin
PLEASE TURN OVER
Page ii of ii
NATIONAL SENIOR CERTIFICATE: PHYSICAL SCIENCES: PAPER I – DATA SHEET
GRAVITATIONAL AND ELECTRIC FIELDS
F
g=
m
F
E=
q
m1m2
r2
qq
F = k 122
r
F =G
g =G
E=
M
r2
kQ
r2
ELECTRIC CIRCUITS
I=
q
t
V=
=
emf I (Rext + r )
V
R=
I
or
emf
= Vload +Vinternal resistance
1
1
1
= +
+ ......
RP R1 R2
RS = R1 + R2 + ......
W
t
or
W = VIt
or
W = I 2Rt
or
P = VI
or
P = I 2R
or
P=
Φ =BA cos θ
W
q
W = Pt
ELECTRODYNAMICS
N ∆Φ
emf = −
∆t
V2
t
R
V2
P=
R
W =
F = IB sinθ
Ns Vs
=
N p Vp
VpI p = Vs Is
PHOTONS AND ELECTRONS
c =fλ
=
E W0 + EK (max)
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E = hf
W0 = hf0
or
E=
hc
λ
1 2
EK (max) = mv max
2