Physics 30 June 01 Diploma Exam

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Unformatted text preview: matically, graphically, and/or with written statements. 26 _____________________________________ (title) You may continue your answer on the next page. 27 You have now completed the examination. If you have time, you may wish to check your answers. 28 PHYSICS DATA SHEET CONSTANTS Gravity, Electricity, and Magnetism Trigonometry and Vectors Acceleration Due to Gravity or Gravitational Field Near Earth ............ ag or g = 9.81 m/s or 9.81 N/kg Gravitational Constant ........................ G = 6.67 × 10 Mass of Earth ...................................... Me = 5.98 × 10 kg Radius of Earth ................................... Re = 6.37 × 10 m Coulomb’s Law Constant.................... k = 8.99 × 10 Electron Volt....................................... 1 eV = 1.60 × 10 Elementary Charge.............................. e = 1.60 × 10 Index of Refraction of Air................... n = 1.00 Speed of Light in Vacuum .................. c = 3.00 × 10 m/s 2 N.m /kg –11 2 2 24 22 N.m /C –19 –19 For any Vector R= adjacent cosθ = hypotenuse 6 9 opposite hypotenuse sin θ = tan θ = opposite tan θ = adjacent J 8 2 Ry Rx Rx = R cos θ a b c = = sin A sin B sin C C 2 Rx + Ry R Ry = R sin θ c = a + b – 2ab cos C 2 2 2 Graphing Calculator Window Format Atomic Physics x: [xmin, xmax, xscl] Energy of an Electron in the 1st Bohr Orbit of Hydrogen ..................... E1 = – 2 .18 × 10 –18 Planck’s Constant ............................... h = 6.63 × 10 J.s or 4.14 × 10 Radius of 1st Bohr Orbit of Hydrogen r1 = 5.29 × 10 Rydberg’s Constant for Hydrogen ...... 7 RH = 1.10 × 10 1 –34 –11 J or –13.6 eV –15 eV.s y: [ymin, ymax, yscl] Prefixes Used With SI Units m Prefix m Symbol Exponential Value Prefix Symbol Exponential Value pico ............. Particles Rest Mass Charge Alpha Particle ............... mα = 6.65 × 10 –27 Electron ........................ m e = 9.11 × 10 –31 Neutron ......................... m n = 1.67 × 10 –27 Proton ........................... m p = 1. 67 × 10 –27 kg α kg e kg n kg p 2+ – 0 + p .................. 10 –12 tera ............. T ................. 10 12 nano ............ n .................. 10 –9 giga ............. G ................. 10 9 micro ........... µ .................. 10 –6 mega ........... M ................ 10 6 milli ............. m ................. 10 –3 kilo ............. k ................. 10 3 centi ............ c .................. 10 –2 hecto ........... h ................. 10 2 deci ............. d .................. 10 –1 deka ............ da ................ 10 1 Fold and tear along perforation. EQUATIONS Kinematics vave = Waves and Light d t v – vi a= f t d = vi t + v= 12 at 2 d = vf t – 12 at 2 2πr T vf + vi 2 t d= 2 2 vf = vi + 2ad a= c 2 v r Fg = F∆t = m∆v F = mg g= Gm1 m 2 r Ff = µFN Fs = – kx Fc = mv r 2 T 2 P= W t = ∆E λ1 2 Ep = 12 kx 2 λ hf ; E = pc c = l; Electricity and Magnetism d sin θ λ= n λ1 4 =l m= hi = h0 Fe = kq1q2 E= kq1 –d i d0 r r 1 1 1 = + f d 0 di 2 hf = Ek max +W λ W = hf 0 k max = qVstop E = hf = 1 hc λ = RH En = 1 n 2 f 1 n 2 2 ni 1 V d ∆E V= q R = R1 + R2 + R3 1 1 1 1 = + + R R1 R2 R3 E1 I eff = 0.707 I max rn = n r 1 2 1 N = N0 2 – V = IR P = IV 2 F E= e q E= E 1 2 mv 2 h nl 1 T= f Atomic Physics 4π mr p= λ = xd 2 Ep = mgh W = ∆E = Fd cos θ 2 2 Momentum and Energy Ek = E = mc p= Gm 1 Fc = W = Fd l g 2 r g p =...
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