Physical Sciences Grade 12 P1 Eastern Cape Prelim 2024 QP

Downloaded from hlayiso.com NATIONAL SENIOR CERTIFICATE GREYIDI 12 SEPTEMBA 2024 IFIZIKHALI SAYENSIZI P1 (IFIZIKS) AMANQAKU: 150 IXESHA: Iiyure ezi 3 Eli phepha linamaphepha ayi19, kuquka needatha shiti ezi 3. Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 2 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) IMIYALELO NEENKCUKACHA 1. Bhala iGAMA neFANI yakho ngokupheleleyo kwizithuba ezilungele oko KWINCADI YAKHO YEEMPENDULO. 2. Eliphepha lemibubuzo linemibuzo eyi 11. Phendula YONKE imibuzo kwiNCWADI YEEMPENDULO. 3. Qala umbuzo NGAMNYE kwiphepha ELITSHA KWINCWADI YEEMPENDULO. 4. Nambarisha iimpendulo zakho NGQO ngale Ndlela imibuzo yakho inambarishwe ngayo. 5. Shiya umgca OMNYE phakathi kweesabhukhweshini umz: UMBUZO 2.1 noMBUZO 2.2. 6. Uvumelekile ukusebenzisa ikhaltyhuleyitha engafakwanga lwazi. 7. Uvumelekile ukusebenzisa iimathematikhal instrumenti. 8. Bonakalisa ZONKE iifomyula nee SABSTITYUSHINI kuzo ZONKE iikhaltyhuleyishini. 9. Impendulo yakho yokugqibela yezibalo yishiye kwiidesimali pleyisi EZIMBINI. 10. Imizobo AYENZIWANGA ngokomlinganiselo (sikeyili). 11. Xhasa okanye unike ingxoxwana, njalo-njalo kuloomibuzo ifuna oko. 12. Uyacetyiswa ukuba uzisebenzise IIDATHA SHITHI ezincanyathiselwe ngasemva kweli phepha. 13. Bhala ngokucocekileyo nangokucacileyo. Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 3 UMBUZO 1: IMIBUZO YEEMALITIPULI TSHOYISI Iindlela ezahlukileyo zinikiwe njengeempendulo ezinokuchaneka kwimimibuzo elandelayo. Khetha impendulo ze ubhale kuphela unobumba (A–D) ecaleni kwenombolo yombuzo (1.1 ukuya ku1.10) kwiNCWADI YEEMPENDULO, umzekelo, 1.11 E. 1.1 Itroli ihamba kwisafeyisi iflethi, ehorizontali xa ifosi engaguqukiyo, uF, isetyenzisiwe kuyo. Yeyiphi ENYE yeefizikhali khwantithi ezilandelayo EZOHLALA injalo xa itroli ihamba? A Imomentam B Iakhselereyishini C Ikhayinethikhi eneji D Igravitheyishinali phothenshiyali eneji (2) 1.2 Isifiye sincanyathiselwe kwisitringi, esijingiswe kwihorizontal bha eqinisiweyo, njengoko kubonisiwe kwidiyagram engezantsi. Iriekhshini fosi kwigravitheyishinali fosi eyenziwa ngumhlaba kwisifiye yi … A fosi yebha kwisifiye B fosi yesitringi kwisifiye C fosi yesifiye kumhlaba. D fosi yebha kwisitringi. (2) Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 4 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) 1.3 Igrafu yepozishini vesaz thayim, engezantsi, ibonisa imowushini yeobhjekhthi kwidayirekhishini evethikhali. Thatha igrawundi njengeziro referensi. Yeyiphi ENYE kwezivelosithi-thayim grafu zilandelayo emele ngcono imowushini yeobhjekhthi? A B C D (2) Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 5 1.4 Isipeyisikhrafti, eyakhiwe ziimodyuli ezimbini uP noQ abaneemasi u3m nom ngokulandelelana, ihamba ngokukahorizontali ngevelosithi uv ukuya ngase isti. I-ekhsplowuzhini yenza ezimodyuli zimbini zohlukane. Imodyuli uQ iqhubeleka isiya kwakwidayirekhshini ebisiya kuyo nje emva kweekhsplowuzhini ngevelosithi engu3v. Izakubangubani imagnithyudi nedayirekhshini yevelosithi yemodyuli uP nje emva kweekhsplowuzhini? IMAGNITHYUDI YEVELOSITHI IDAYIREKHSHINI KAP EMVA KAP KWE-EKHSPLOWUZHINI A ⅓v Isti B v Westi C v Isti D ⅓v Westi 1.5 Imoto ebimile ihamba kumgca ongqalileyo ngokuphenjelelwa yinethi fosi engaguqukiyo Yeyiphi ENYE kwezi zilandelayo iigrafu emele ngcono inethi wekhi dani (Wnet) kwimoto ngokubhekiselele kwidisipleyisimenti (∆x) yayo? A B Wnet Wnet ∆x ∆x C D Wnet Wnet ∆x ∆x (2) Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 6 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) 1.6 Isosi yesandi iya ngakwlisina emileyo kumgca ongqalileyo ngevelosithi engaguqukiyo. Idlula ilisina iye kude kunayo kwakulamgca ungqalileyo kwangalevelosithi ingaguqukiyo. Yeyiphi ENYE kwezi zilandelayo iigrafu eyona imele ichange in observed frequency against time? A B C D (2) Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 7 1.7 Ithesti tshaji encinci u+q ibekwe kanye ehafini phakathi kweephozithive tshaji ezimbini ezifanayo, uX noY, nganye inetshaji u+Q, njengoko kuboniswe ngezantsi. Ithesti tshaji u+q iza … A kuya ezantsi ngokukavethikhali. B kuya ngakuX. C kuya ngakuY. D kuhlala imile. (2) 1.8 I-inthenali rezistensi yebhethri kwisekhethi dayagram engezantsi ayinanzwanga. Xa iswitshi uS ivaliwe, yeyiphi ENYE kwezi zilandelayo emele utshintsho kwiiridingi zevolthimitha neamitha? IRIDINGI YEVOLTHIMITHA IRIDINGI YEAMITHA A Iyancipha Iyanda B Iyanda Iyancipha C Iyancipha Iyancipha D Iyanda Iyanda (2) Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 8 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) 1.9 Kwigrafu engezantsi, isolidi layini grafu imele indlela iEmfu eyenziwa yisimpuli jenereyitha, etshintsha ngayo ngexesha. Idothedi layini ibonisa iEmfu yakwalaajenereyitha emva kokwenziwa kotshintsho. Loluphi utshintsho olwenziweyo ukwenza iziphumo ezikwi dothedi layini grafu? A Isipidi seroteyishini sihafulishiwe B Isipidi seroteyishini sidabulishiwe. C Kufakelwe isipliti-ringi khomyutheyitha D Kongezelelwe iibhrashi (2) 1.10 Xa iekhsayithedi elekhtroni isuka kwi-eneji level ephezulu isiya kwi-eneji esezantsi ispesifikhi ... A emishini layini kwiemishini spekhthram iyaobhzevwa. B emishini layini kwiabhzophshini spekhthram iyaobhzevwa. C abhzophshini layini kwiemishini spekhthram iyaobhzevwa. D abhzophshini layini abhzophshini spekhthram iyaobhzevwa.. (2) [20] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 9 UMBUZO 2 (Qala kwiphepha elitsha.) Ibhlokhi enemesi u4 kg igcinwe imile kwitheyibhuli erhabaxa ehorizontali. Ibhlokhi ikonekhthwe ngesitringi esikhaphu-khaphu esingandisekiyo esidlula kwiphuli engenafrikhshini ukuya kwenye ibhlokhi enemesi u2 kg. Iblokhi u2 kg ijinga ngokukavethikhali njengoko kubonisiwe kumzobo ongezantsi. Ibhlokhi u4 kg ngoku ikhululwe, isistim yeemesi iya ngasekunene. Ikhoefishiyenti yekhayinethikhi frikhshini phakathi kwebhlokhi u4 kg nesafeyisi yetafile ngu0,25. Ungazinanzi iintumekelelo ze-efrikhshini. 2.1 Chaza iNyuthon’z sekhond lo of mowushini ngamagama. (2) 2.2 Zoba ifri-bhodi dayagram ebonisa ZONKE iifosi ezisebenza kwibhlokhi u4 kg ngaphambi kwemowushini. (4) 2.3 Khaltyhuleyitha imagnithuydi ye: 2.3.1 Frikhshinali fosi esebenza kwiblokhi u4 kg (3) 2.3.2 Sipidi ebetha ngaso phantsi imesi u2 kg (7) 2.4 Cacisa ukuba kutheni imowushini yebhlokhi u2 kg INGENObizwa njenge ‘fri foli mowushini’. (2) [18] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 10 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) UMBUZO 3 (Qala kwiphepha elitsha.) Ibhola uA iphoswe ezantsi ngokukavethikhali ukusuka enkcochoyini yesakhiwo, esiphakeme ngo 90m, ngevelosithi u12 m·s-1. Kwangaxesha-nye, ibhola yesibini efanayo uB iphoswe phezulu ngevelosithi u30 m·s-1. Ibhola uA nebhola uB zodlulana emva kwe2,135 s. Ungayinanzi intumekelelo yefrikhshini. 3.1 Nika idayirekhshini yeakhselereyishini yebhola uB ngexesha ihamba isiya phezulu. (1) 3.2 Khaltyhuleyitha ivelosithi yebhola uB ngexesha idlula ibhola uA. (3) 3.3 Khaltyhuleyitha idistensi phakathi kwebhola uA noB emva kwe2,5 s iibhola ziprojekhthiwe. (5) 3.4 Kwisethi enye yee-ekhziz zoba isiketshi seeposhini-thayim grafu zemowushini yebhola uA nebhola uB. • Kwibhola uA, ukusukela ngexesha iprojekhthwa de iyofika ezantsi. • Kwibhola uB ukusukela ngexesha, iprojekhthwa de idlule ibhola uA. • Bonisa ngokucacileyo ixesha apho ezibhola zimbini zidluana • Sebenzisa igrawundi njengeziro pozishini. • Leyibhelisha iigrafu uA noB. (3) [12] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 11 UMBUZO 4 (Qala kwiphepha elitsha.) Inqwelo ehambisa imithwalo enemesi u5 000 kg, ehamba ngevelosithi u15 m·s-1 ukuya ngasekunene ingqubana ngeentloko nemoto enemesi u2 000 kg ehamba ngo20 m·s-1 kwidayirekhshini eophozithi. Nje emva kwekholizhini, imoto ihamba ngevelosithi u5 m·s-1 ukuya ngasekunene. 4.1 Bhala iphrinsipuli of khonzeveyishini of liniya momentam ngamagama. (2) 4.2 Khaltyhuleyitha imagnithyudi yevelosithi yenqwelo ehambisa imithwalo nje emva kwekholizhini. (4) 4.3 Ukuba ikholizhini ihlale iisekhondi eziyii0,4, khaltyhuleyitha ifosi esetyenziswa yinqwelo ehambisa imithwalo kwimoto ngexesha lekholizhini. (4) [10] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 12 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) UMBUZO 5 (Qala kwiphepha elitsha.) Inkwenkwe ekwiirola-sikeyiti ihamba ngevelosithi engaguqukiyo kwidayirekhshini yangase-isti kwindawo enguAB, ehorizontali engenafrikhshini yetreki ithwele ipasela. Igqiba ngokwandisa ivelosithi yayo ngokuphosa ipasela kude nayo ngokukahorizontali. 5.1 Mayiphoswe kweyiphi idayirekhshini ipaseli ukwenza okona kwanda kukhulu kwivelosithi yenkwenkwe? (1) 5.2 Yitsho uphinde ucacise ngamagama ilo yefizikhs esetyenziswe kuMBUZO u5.1. (3) Ifika kwipoyinti uB ngevelosithi u6 m∙s-1 iqhubeke ihamba inyuka indawo yetreki uBC erhabaxa iyekuma kwipozishini uX, eku4 m ngaphezulu kwegrawundi njengokuboniswe kwidayagram engezantsi. Ifrikhshinali fosi engaguqukiyo engu40 N isebenza kwiirola sikeyiti. Indibanisela yemesi yenkwenkwe neerola sikeyiti ngu57 kg. 5.3 Khalityhuleyitha ivelyu kaӨ weinklayindi pleyini. (5) 5.4 Iremote-controlled car enemesi u4 kg iqhutywa ukunyuka kwi-inklayindi pleyini eyenza iengile u30° ukusuka kuhorizontali ngeavareyiji fosi eya phambili u80 N njengoko kubonisiwe kwidayagram engezantsi. Imoto iva ifrikhshinali fosi engaguqukiyo engu15 N, xa ihamba inyuka kwi-inklayindi pleyini. Isipidi semoto emazantsi einklayindi pleyini ngu3 m∙s-1. Sebenzisa ii-eneji phrinsipuli ukukhalityhuleyitha isipidi semoto emva kokuhamba i5 m ukunyuka i-inklayindi pleyini. (6) [15] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 13 UMBUZO 6 (Qala kwiphepha elitsha.) Isayireni yefaya thrakhi emileyo ikhupha iisawundi weyivu ezinefrikhwensi engu1 800 Hz. Imoto, ihamba kwindlela engqalileyo ehorizontali ngesipidi esingaguqukiyo esingu30 m.s–1, idlula ifaya thrakhi iqhubeke kwangesosipidi singaguqukiyo. 6.1 Chaza iDopla Ifekhthi ngamagama. (2) 6.2 Itshintsha njani ipitshi yesayireni, eviwa ngumqhubi wemoto, xa imoto ihamba ... (Chaza kuphela ukuba IYANDA, IYANCIPHA okanye IHLALA INJALO.) 6.2.1 Ukuya ngakwifaya enjini? (1) 6.2.2 Ukuya kude nefaya thrakhi? (1) 6.3 Khalityhuleyitha ifrikhwensi eviwe ngumqhubi wemoto njengoko imoto ihamba ukuya ngakwifaya thrakhi. (Thatha isipidi sesawundi emoyeni njengo330 m.s–1.) (5) 6.4 Siketsha igrafu ukubonisa ukuba itshintsha njani ifrikhwensi njengefankhshini yexesha njengoko umqhubi esondela ze adlule ifayathrakhi. (Akukho manana afunekayo.) (3) 6.5 Chaza imedikhali instrumenti esebenzisa iDopla Ifekhthi. (1) [13] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 14 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) UMBUZO 7 (Qala kwiphepha elitsha.) Iimethali sifiye ezintathu ezincinci, ezifanayo, uK, uM noG zibekwe kwivatyhum. Isifiye ngasinye sithwele itshaji engu6 nC. Izifiye zibekwe ngendlela yokuba uK noG baqaqe ngeX mm ukusuka kuM njengoko kubonisiwe kwidayagram engezantsi: 7.1 Chaza iKhulombz lo ngamagama.. (2) Imagnitythudi yenethi fosi esetyenziswa kuM nguK noG ingu2,864 x 10-6 N. 7.2 Khalityhuleyitha idistensi,uX, phakathi kukaG noM. (8) [10] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 15 UMBUZO 8 (Qala kwiphepha elitsha.) Apha ngezantsi kukho i-ayisoleyithedi poyinti tshaji, uP, onemagnityhudi engu+ 200 nC. 8.1 Zoba i-elekhthrikhi fildi pateni ejikeleze ipoyinti tshaji uP. (3) Ipoyinti tshaji yesibini, uQ, nayo ethwele itshaji engu+200 nC, ibekwe kwi600 mm kude nepoyinti tshaji uP njengoko kubonisiwe kwidayagram engezantsi UY yipoyinti eku200 mm ngasekunene kwepoyinti tshaji uP. 8.2 Chaza igama electric field at a point. (2) 8.3 Khalityhuleyitha inethi elekhthrikhi fildi ekwipoyinti uY eyenziwa ziitshaji uP noQ. (5) [10] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 16 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) UMBUZO 9 (Qala kwiphepha elitsha.) Ibhethri ekwisekethi dayagram engezantsi, ineinthenali rezistensi ur. Xa iswitshi uS ivaliwe, iridingi kwivolthimitha uV2 ngu18 V. Kwaye irezista uR ikhupha u13,5 W 9.1 Chaza i-Ohmz Lo ngamagama. (2) 9.2 Khalityhuleyitha irezistensi yerezista uR. (3) 9.3 Khalityhuleyitha iridingi kwi-amitha uA. (5) 9.4 Cacisa, ngamagama, lithetha ukuthini igama u-internal resistance yebhethri (2) 9.5 Khalityhuleyitha iphothenshiyali diferensi edlula kwirezista u10 Ώ (3) 9.6 Xa iswitshi uS ibivuliwe, iridingi kwivolthimitha uV1 ibingu49,5 V. Khalityhuleyitha i-inthenali rezistensi yebhethri. (5) 9.7 Ingaba i-inthenali rezistensi kwisekethi IYANDA, IYANCIPHA, ukanye IHALA INJALO xa irezista uR isusiwe? (1) [21] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 17 UMBUZO 10 (Qala kwiphepha elitsha.) Qwalasela isiketshi esingezantsi. 10.1 Bhala umsebennzi wekhomponenti eleyibhelishwe Q kwidayagram. engasentla (1) Iitshaji ezimbini zenziwe ngokwembonakalo yedivayisi eboniswe kwisiketshi esingasentla ukufumana iawuthiphuthi phothenshiyali diferensi elandelayo. 10.2 Bhala iinguqu EZIMBINI ezenziwe kwidivayisi. (2) Xa i60 W layithi bhalbhu ikonekhthwe kwidivayisi entsha, iphikhi kharenti ka0,45 A idlula kwilayithi bhalbhu. 10.3 Khalityhuleyitha iphothenshiyali diferensi yeDC enokwenza ibhrayithinesi efana neyelayithi bhalbhu. (5) [8] Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 18 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) UMBUZO 11 (Qala kwiphepha elitsha.) Ifotho-elekhtrikhi ifekhthi ineeprakhthikhali aplikheyshini ezininzi. Ifothoseli, nje ngale ingezantsi esetyenziswa kwiibhagla alam sistim, iyenye yeeaplikheyishini ezinje. Eyona weyivulenthi inkulu yemonokhromathikhi layithi enokwenza ukukhutshwa kweefothoelekhthroni kulefothoseli ingasentla, ngu229 nm. Xa umntu ephazamisa ibhim, ukuhla ngesaquphe kwekharenti, kuvusa iswitshi, ecima ialam. 11.1 Khalityhuleyitha ifrikhwensi yemonokhromathikhi layithi yeweyivulenthi u229 nm (3) 11.2 Nika isayentifikhi them yefrikhwensi oyibale kuMBUZO 11.1 ngasentla. (1) 11.3 Chaza igama wekhi fankhshini ngamagama. (2) 11.4 Khalityhuleyitha ifrikhwensi yemonokhromathikhi layithi emayisetyenziswe, uku-emitha iifothoelekhthroni ezinevelosithi engu1,57 x 106 m.s-1 ukusuka kwikhathodi yefothoseli engasentla. (4) 11.5 Iizakutshintsha njani impendulo ekuMBUZO u11.4 ukuba eyona weyivulenth inkulu yemonokhromathikhi layithi efunekayo ukuijekhtha iifothoelekhthroni incitshisiwe ukuya ku 189 nm? Bhala IYANDA, IYANCIPHA, okanye IHLALA INJALO. Nika isizathu sempendulo yakho. (3) [13] AMANQAKU XA EWONKE: 150 Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 19 IDATA YEFIZIKHALI SAYENSIZI KAGREYIDI 12 IPHEPHA 1 (FIZIKHSI) ITHEYIBHILE 1: IIFIZIKHALI KHONSTENTI IGAMA ISIMBOLI IVELYU Akhselereyshini ye gravithi g 9,8 m•s-2 Iyunivesal gravitheyshinali khonstenti G 6,67 × 10-11 N•m2.kg-2 Ispidi selayithi kwi vakhthyum c 3,0 × 108 m•s-1 IPlankiz khonstenti h 6,63 × 10-34 J•s IKhulombz khonstenti k 9,0 × 109 N•m2•C-2 Itshaji ye-elekhtroni e -1,6 × 10-19 C Imesi ye-elekhtroni me 9,11 × 10-31 kg Imesi yomhlaba M 5,98 × 1024 kg Ireyidiyasi yomhlaba RE 6,38 × 103 km ITHEYIBHULI YE2: IIFOMYULA IMOWUSHINI v f = vi + a t Δx = v i Δt + 21 at 2 or/of Δy = v i Δt + 21 at 2  v + vf   v + vf  2 2 2 2 v f = v i + 2ax or/of v f = v i + 2ay Δx =  i  Δt or/of Δy =  i  Δt  2   2  IFOSI Fnet = ma p = mv fsmakhs = µsN fk = µkN Fnet t = p w = mg p = mv f − mv i Gm 1 m 2 M F= 2 g = G d2 d Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com 20 IFIZIKHALI SAYENSIZI P1 (EC/SEPTEMBA 2024) IWEKHI, IENEJI NEPHAWA W = FΔxcosθ U= mgh or/okanye EP = mgh Wnet = K or/okanye Wnet = Ek 1 1 K = mv 2 or/of Ek = mv 2 2 2 K = K f − K i or/okanye Ek = Ekf − Eki Wnc = K + U or/okanye W P= Wnc = Ek + Ep t Pav = Fvave AMAZA, ISANDI KWAYE UKUKHANYA 1 v=f T= f v  vL v  vL c fL = fs fL = fb E= hf or/of E = h v  vs v  vb  E = Wo + Ek(max) where/waar E = hf and/en W0 = hf0 and/en Ek(max) = ½mvmax2 or/of K(max) = ½mvmax2 IELEKHTHROSTATIKI kQ 1Q 2 kQ F= E= r2 r2 V F E= E= d q W Q V= n= q qe Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.

Downloaded from hlayiso.com (EC/SEPTEMBA 2024) IFIZIKHALI SAYENSIZI P1 21 IISEKETHE ZOMBANE emf (ε) = I(R + r) V R= I emk (ε) = I(R + r) R s = R1 + R 2 + ... 1 1 1 q = IΔt = + + ... R p R1 R 2 W = Vq W P= Δt W = VI  t P = VI W = I2R  t P = I2R 2 V Δt V2 W= P= R R OLTHANEYITHINGI KHARENTI Pav erey iji= VrmsIrms / Pgemiddeld = Vwgk I wgk I max I I rms = / I wgk = maks 2 2 Pav erey iji= Irms 2 R / Pgemiddeld = I 2wgk R Vmax Vmakhs Vrms = / Vwgk = 2 Vwgk 2 2 V2 Pgemiddeld = Pav erey iji = rms / R R Akuvumelekanga ukufotokopa eli phepha Tyhila iphepha Hosted by www.ecexams.co.za.