EXAMINATION DATA SHEET FOR THE PHYSICAL SCIENCES …
NATIONAL SENIOR CERTIFICATE: PHYSICAL SCIENCES: PAPER I ? DATA SHEET
Page i of ii
EXAMINATION DATA SHEET FOR THE PHYSICAL SCIENCES (PHYSICS)
TABLE 1 PHYSICAL CONSTANTS
NAME Acceleration due to gravity Speed of light in a vacuum Universal gravitational constant Coulomb's constant Magnitude of charge on electron Mass of an electron Planck's constant 1 electron volt
SYMBOL g c G k e me h eV
VALUE 9,8 ms?2 3,0 108 ms?1 6,7 10?11 Nm2kg?2 9,0 109 Nm2C?2 1,6 10?19 C 9,1 10?31 kg 6,6 10?34 Js 1,6 10?19 J
TABLE 2 PHYSICS FORMULAE
v u at or vf vi at
MOTION
s
v
2
u
t
or
x
vf
2
vi
t
v 2 u2 2as or vf 2 vi 2 2ax
s
ut
1 2
at
2
or
x
vi t
1 2
a(
t
)2
Fnet ma
FORCE AND MOMENTUM
Fnet
p t
or
Fnet t mv
p = mv ? mu or
p mvf mvi
p mv
w Fg mg
F
max f
FN
W Fs or W Fx or W Fx cos
Ep mgh
WORK, ENERGY AND POWER P W t
Ek
1 2
mv
2
Wnet EK
P Fv
efficiency powerout powerin
GRAVITATIONAL AND ELECTRIC FIELDS
F
G
m1m2 r 2
g
G
M r 2
F
k
q1q2 r 2
EF q
E
kQ r 2
IEB Copyright ? 2017
PLEASE TURN OVER
NATIONAL SENIOR CERTIFICATE: PHYSICAL SCIENCES: PAPER I ? DATA SHEET
Page ii of ii
IQ t
R V I
ELECTRIC CIRCUITS
RS R1 R2 ......
V W q
emf I(Rext r ) 1 1 1 ...... RP R1 R2
P W t
or W Pt
W VIt P VI
or
W I 2Rt
or
W
V2
t
R
or P I2R or P V 2 R
BAcos
VpIp VsIs
ELECTRODYNAMICS
emf N t
Ns Vs Np Vp
c f E W0 EK (max)
PHOTONS AND ELECTRONS E hf
W0 hf0
or E hc
EK (max)
1 2
mvm2 ax
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