Physical Sciences Grade 12 North West Mock 2016 Memo

Downloaded from hlayiso.com Physical Sconces P1/Fisiose WetenskapperV? 2 NeeuiSepterbver 218 QUESTION 1 / VRAAG 1 wt BY @ 42 Ate @) 13 bry @) 14 ove ca 15 BvY 2) 16 Cre @ 7 ay 2) 18 Dw @ 1 owe , @) 14000 AY? . @ Copyright reserved/Copiereg voorbonou Figaee turn over/Biaai om assebtief

Downloaded from hlayiso.com Ww FTF / 20,4N freight 7g 7 gravitational force / gewig / gravitasiekrag PFs! F,! Hcon AF 7B? wnewing NTE TE 7 nomal toe 77 FTF, AON? . T | Fy étension 2) 24 Fae = inary for the 3 kg ~ tor 2 kg ~T =the 3-98 ¢ hie) Oe Tam 2-08 « Oe 10. Tai 3-88 hs Tom 2. 28 10= {jh -2-9,8) + (uk -3- 9,8) i= 0.204 (C343 Cem ban en +) 4) POSITIVE MARKING FROM 2.4/ POSTIEWE NASIEN VANAF 2.4 25 for the 3 kg for 2 kg Fost = Fappieg ~T> ph «3-98 Fae oT 4 «2-88 438 = 30-T-~O204 3. 98~ “2a =T- 02042-9850 3a=%~-58,997 ~T Qa=- T~3,908 Add the two equation (8) as4ms?v uy Copyright reserved/Kaplereg voorbehow Please tum over/Stas! om asseblief

Downloaded from hlayiso.com Physical Sciences /P1/Fisioges Wetenskappe/V? a NWiSepiember 2016 NSCINSS ~ Memorandum QUESTION 3/ VAAAG 2 34 it fs when the only force acting on the falling object, it Is the force of gravity «'f Dit is a8 die enigste krag wat op die vallende voorwerp inwerk, die gravitasiekrag is “v (0 or 2 marks / 0 of 2 punie) @) 32 Downward / Afwaarts v a) 33 OPTION 1/ OPSIE 7 Ay =vAt+jaar xe O+sGQt ¥ andéon ¢43.05 0+ #98 (10,1 . i Oe a = 4,900.1)" pare to 90884 Ganek't frre “ hence f dus x = 45,98 m lovee y cqurkey Enter - OPTION @ OPSIE 2 Ay=vAtetaat ov vi ev? +2aay ran j (&é * : nd 49001" =0+2198)-04 \_ 0 Nay = 90,010. X= 45,95 m 6) downward +ve downward -ve a Sor 3004 af > ‘Tima / Tya(s} a Criteria 7 Kintera) Mar Pant Atl Byt= Ove q Shape of the graph 41 Velocity af top 30.07 17 eo] [12] Copyright reserved/Kopiereg voorbahou Please tum over/ Kasi om assebliet

Downloaded from hlayiso.com Physical Scienoss /P4/Fisiese Wetanakappa/Vt 5 NwSeptember 2016 NSCINES ~ Memorandum QUESTION 4 / VRAAG & 41 is zero. © ! @) es Ha rea ee abasighetd van okatent kragte./ indien die impuis van eksteme kragte mul is. 42 te = 6x tO kgms'y east/oos /} a 43 ADA= PED = 1x10? — 6xt0* = -5xi0'koms'¥ hence dpe =5" 10 kges? Roam, ~ Sx 10 = 2x10? —p Vm 8x 10 150 p=-3x 107 kgs? y =-2ms" % = 2avs' west/ wes ¥ OR / OF EP oxo * LP ate © 6x10" +1800 viv = 1x19 + 2x1 i i © csv MARKING FROM 4.35/POSTIEWE NASIEN VANAF 4.3 44 Eye emo we bape 6002, 1 4 Ex before / voor = 5 2000(S2°¥ + =1500,(-2}" v= 120004 Ey after/na = $2000.50 31800. oy v= 1883,33 Copyright resarvad/R oplerag voarbehou Please tum ower/Blaal om assebiiel

Downloaded from hlayiso.com Physical Sciences P1/Fisiese Welenskappa/Vt & AW/Septamber 2016 NSCINSS ~ Memorandum QUESTION 5 / VRAAGS 81 We F axcos6¥ 326 = (180}(6\cos 8) “ inn’ 1 52 Wy=fAxcosd f=y4N bothequationsi mar | =(25,09NS\cos 180) -. = 0,3x (20.9.8) ~(190 sin so] )- 2 128,18 = 25,03 N : (Accept -125,13 J t0 -125,15 J) “8 POSITIVE MARKING FROM 5.2 /POSTIEWE NASIEN VANAF 8.2 SS Wre AKY 825 ~ 125.15 = 20v.?—9v we 447 mst ¥ 4 5.4 Increases / neern foe’ . Normal forees increases / Normaatkragie neem toe Normal force is equal to F,/ Normaalkragte is galyk aan F, @ 13] 751 ie and 4 7AS= vi “S4o-v, fen CBee ae ¥a= 0.4599 m-s'v rangelntenal (0,45 0,50) 7,2 (Gey Tt ‘Copyright neservedKoplereg woortehow Please turn over/Biaat om asseblief

Downloaded from hlayiso.com Physical Sciences /P1/Firiese Welanskappa/? 7 NwWiSepieraber 2018 NSC/NSS ~ Memorandum QUESTION 7 / VRAAG 7 WA Tre magnitude ofthe Secon fore exerted by one pols charge (Q,) on 72 1 SEAT An mater as | = Qe » 8.8088 x 16° Gv ) 734 Xv , * *Q zag Eee” Pa 9x10", 20x10* Ey aye erasee NG "East / Qos om, santen® ¥ fy i Bap 220802107900 No West Wes a {0,2} Ena = 18000 ~ 967,3469 (= 17692,85506 N.C" West/ Wes ~ ie Rete thasct onto) (14) Copyright reserved/Kopiereg voorbenou Pioase turn over/Biaal om asseblio

Downloaded from hlayiso.com Physical Sciences /P1/Fisiese Wetenskappe/V? QUESTION 8/ VRAAG & a NSCINSS ~ Memorancien NYWSepteriher 2076 B.A « ae R@) 4 Criteria/Krileria Marks / Punte ‘Two points correctly plotted/Twee punte karrek gestip ALL points correctly plotted’ ALLE korrek Correct ling of best 8 if all plotted points used/ 82 ami/emkle} ffs oe Copyright reserved/Kopierag voorbenau Korrekte lyn van besie pas indien alle punte gebruik word ‘Phnuse turn over Blagi on agsebliel io) ()

Downloaded from hlayiso.com Sciences P1/Fisiose a ber 2018 Physical Wormnstappevt 8. NW/Septem! 83.4 . #20 ¥ v Gradient / Gradiant ax OBB bid + = 18,66667 V Can use any values / Xan enige waardes gabruik a@) B32 POSITIVE MARKING FROM 8.2.4 B i ? TIEWE NASIEN V2 t 6 =iAen 4 283 234 18,67 29,85 (2 +1) ¥ 8 2 238 122,99 0¥ 8 Tes 233 ‘Other substitutions and answarsy | 19 1,86 2.06 Ander substilusies en aniwoorde 2 7,463 2,33 OROF Exdrapolate the graph to the y axis (must ba shown) see the graph drawn’ value notes and written 2,2 or 2,4 0% 2 Exkstrapoleer die grafiak am die y-as (most getoon word) sien die gratiek gateken waardenotas en skrittelike 2,2 of 240 8.4 From the gtaph/ uit ele gratiek € at(hen . Red 46,867 =1 (04 2,33) ¢ L cotav 1=71BAY ) t Ts7i4ar Q) {11} Copyright riserved/Kaplereg voorbahou Pigsse turn oved/Biaal om assebtiet

Downloaded from hlayiso.com Physical Stierices /P1/Fisiese Wetenskappa/Vt 10 NW/September 2016 NSCINSS ~ Memorandum QUESTION 9/ VRAAG ¢ a4 ‘Tha potential difference across a conductor is directly proportional to the Current in the conductor “at constant temperature. (provided temperature and all other physical conditions am constant) ~ Die potansiasiverskil oor ‘n gelelar is direk eweredig aan die stroom in dia Fenatant Biya a fomperaluur (mits temperatuur en alle siesa toestands @ 921 € <tRen ge Bean when S; closed / as $; geshuit is g= Beers ¥ when Sais dosed / as $2 gasiut is fe) Barn= Ben a . X vezaye Ge; 92.2 POSITIVE MARKING FROM 9,1 and 9.2.1 POSTIEWE VANAF 8.1 on 9.2.7 c=kA4s Bel@iav i=4BAY Vea ixh « =48x2 ¥ “ave . (<(e os ‘Copyright reserved/Koniereg voorbehou Please turn over Slag orm assabiiet

Downloaded from hlayiso.com QUESTION 10/ VRAAG 10 104 10.2 40.8 Mechanical to electical? Meganies na elektries” iO) 104 z i z e. é » & Must draw a sinodal graph to satisty the following criteria | CHITERIAS KRITERIA WARK? PUNTE Stat 1 at t=O and 6 at f meximumy ¥ Begin byt=0 en § by | maksimum 2 and 4 at {= 0/ ¥ 2en 4 by t=O Graph tums at 3 ¥ | graliek draai by 3 10.6 OPTION 1/ OPSIE 1 OPTION 2/ OPSIE 2 Pans = Volos */Penous. = Vary lage Vong = Bit = B= 8.485V_-« cof wl2S bay Pare = Vers beens of a 2 S Pie 8485S hme ®) a = imax * 3,33 A tas = 23574 y Lmaxebemsla * 235708 s 3,334 : [ay Copyright resarved/Kopianeg vaorbehou Pisase tum over Gaal on asseblet Lelt to right/ Links na rege”, _.. increases / Neem foe’ ~~ "1 NW September 2016 1 i)

Downloaded from hlayiso.com Physical Sciences /P1/Fisiese WetanskappelV? 12 NW /September 2016 NSC/NSS ~ Memocandur QUESTION 11 / VRAAG 11 WW44 Threshold frequency? Drumpetrekwensie w 11.2 By the gradient’ / Deur die heiling te bepaal a 143 The ensrgy of the incident is” lesser than work function of the metal oan” Peers van die lig faer as die werksfunksie Tho incident ight does not have the minimum energy « to emit electrons from the surface of the metal ¥ / Die ig het minder energie as die répimaim energie benadig., 2} 114 Weahty ¥ = 6635 10%x5,6x 10% = ariaatitae 3} 1.5 E=Wo+Bumg “ offof E = WetKemx Of of 2hfp= hier te on? 2x 6.69x 10™ «5.6.x 10'* : ve v=9,08x 10" Tst¥ LL... Bax 19" 11.6 ) ‘Straight line on the right of A q Reguit lyn, regs van A