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 MOTION

or v f = vi + at

v 2 = u 2 + 2as or v f 2 = vi 2 + 2ax

or

x = v f

+ vi 2

t

or

x

= vit

+

1 2

a(t

)2

Fnet = ma

FORCE AND MOMENTUM

Fnet

=

p t

or

Fnet t = mv

p = mv ? mu or

=p mv f - mvi

p = mv

w= F=g mg

F

max f

=

m FN

W = Fs or W = Fx or W =Fx cos

Ep = mgh

WORK, ENERGY AND POWER P=W t

Ek

=

1 2

mv

2

GRAVITATIONAL AND ELECTRIC FIELDS

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ELECTRIC CIRCUITS

Page ii of ii

R=V I

RS =R1 + R2 + ......

or

1 = 1 + 1 + ...... RP R1 R2

or

or

or

or

ELECTRODYNAMICS

emf = - N t

E = W0 + EK(max)

PHOTONS AND ELECTRONS

or

EK (max)

=

1 2

mvm2 ax

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