Physical Sciences Grade 12 IEB Paper 1 2017 Data Sheet

Downloaded from hlayiso.com 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 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   v  vi  v  u  at or v f  v i  at s  t or x   f  t  2   2  v 2  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 FORCE AND MOMENTUM p Fnet  t Δp = mv – mu Fnet  ma or or Fnet t  mv p  mv f  mv i p  mv w  Fg  mg F max f  FN WORK, ENERGY AND POWER W  Fs or W  F x W P P  Fv or W  F x cos  t powerout E p  mgh Ek  21 mv 2 Wnet  EK efficiency  powerin GRAVITATIONAL AND ELECTRIC FIELDS mm M F  G 12 2 g G 2 r r qq F kQ F  k 122 E E 2 r q r IEB Copyright © 2017 PLEASE TURN OVER

Downloaded from hlayiso.com NATIONAL SENIOR CERTIFICATE: PHYSICAL SCIENCES: PAPER I – DATA SHEET Page ii of ii ELECTRIC CIRCUITS Q W I V t q V R emf  I (Rext  r ) I 1 1 1 RS  R1  R2  ......    ...... RP R1 R2 W P or W  Pt t V2 W  VIt or W  I 2Rt or W  t R V2 P  VI or P  I 2R or P R ELECTRODYNAMICS N    BA cos emf   t Ns Vs VpI p  VsIs  Np Vp PHOTONS AND ELECTRONS hc c f E  hf or E  E  W0  EK (max) W0  hf0 EK(max)  mv max 21 2 IEB Copyright © 2017