Izihloko zefiziksi mayelana nezenzakalo zemvelo njll. ezihlobene nefiziksi.
I-1 SInhlamvu yerabha esesimweni sebhola enobunzima obungamagremu angu-40 idutshulwa iqonde odongeni njengoba kuboniswe esithombeni. Uma ibhola liqhunyiswa ngesivinini esifanayo, khona-ke ushintsho emgudwini webhola luyi-
idalah…
A. 2 Ns
B. 3 Ns
C. 4 Ns
D. 5 Ns
E. 6 Ns
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Izibonelo eziyi-14 zemibuzo ye-Doppler Effect
1. Kusukela kulesi sitatimende esilandelayo:
(1) U-P usondela ku-S onganyakazi
(2) U-S usondela ku-P ongaguquki
(3) U-P no-S bayasondelana
(4) U-S no-P bahamba ngesivinini esifanayo
Uma u-P (umlaleli) ezwa umsindo ngemvamisa ephakeme kunemvamisa ekhishwa yi-S (umthombo), khona-ke isitatimende esifanele...
A. (1), (2) kanye no-(3) kuphela
B. (1), (2), (3) kanye no (4)
C. (1) kanye no-(3) kuphela
D. (1) kanye no-(4) kuphela
E. (2) kanye no-(4) kuphela
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1. Izinto ezimbili u-A (3 kg) no-B (5 kg) zihamba ngendlela efanayo ngesivinini esingu-8 ms –1 kanye no-4 ms –1 ngokulandelana . Uma into u-A ishaya into u-B ngokuguquguquka okuphelele, khona-ke isivinini sento ngayinye ngemva kokushayisana...
A. 3 ms –1 kanye no-7 ms –1
B. 6 ms –1 kanye ne-10 ms –1
C. 4,25 ms –1 kanye no-10 ms –1
D. 5,5 ms –1 kanye no-5,5 ms –1
E. 8 ms –1 kanye no-4 ms –1
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1. Ibhola elinesisindo esingu-0,5 kg liwela ngokukhululeka lisuka ekuphakameni okungu-h 1 = 7,2 m ngaphezu kwephansi bese ligxuma liye ekuphakameni okungu-h 2 = 3,2 m. Uma ukusheshisa okubangelwa amandla adonsela phansi kungu-10 ms -2 , umfutho osebenza ebholeni...
A. 2,0 Ns
B. 3,0 Ns
C. 10 Ns
D. 40 Ns
E. 80 Ns
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1. Bheka isithombe esilandelayo sokufuduka kwebhulokhi! Cabanga ukuthi u-g = 10 m/s 2 . Uma i-coefficient of kinetic friction phakathi kwebhulokhi kanye nephansi ingu- μ k = 0,5, khona-ke inani lokufuduka kwento lingu- ….
A. 5,00 m
B. 4,25 m
C. 3,00 m
D. 2,50 m
E. 2,00 m
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1. Ama-Joules angu-4.900 wamandla asetshenziswa ukuphakamisa into enesisindo esingu-50 kg ngokuqondile. Into izophakama ifike kubude obungu- … (g = 9,8 ms -2 )
A. 0,1 m
B. 10 m
C. 98 m
D. 245 m
E. 960 m
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1. Amandla angaguquki angu-60 N asebenza imizuzwana eyi-12 entweni enesisindo esingu-10 kg. Into
inesivinini sokuqala esingu-6 m/sec ohlangothini olufanayo namandla.
(1) Umsebenzi owenziwe kule nto ungama-joule angu-30.240
(2) Amandla okugcina e-kinetic ento angama-30.240 joules.
(3) Amandla akhiqizwayo angama-watts angu-2.520
(4) Ukwanda kwamandla e-kinetic ento kungama-joules ayi-180.
Isitatimende esinembile sithi…
1. Isilinganiso sobuningi bamaplanethi u-A no-B singu-2:3 kanti isilinganiso sama-radii amaplanethi u-A no-B singu-1:2. Uma isisindo sento eplanethi u-A singu-w, khona-ke isisindo sento eplanethi u-B singu….
A. 3/8 w
B. 3/4 w
C. 1/2 w
D. 4/3 w
E. 8/3 w
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Izibonelo Eziyi-9 Zemibuzo Yendiza Ethambekele
Funda izinto eziphathelene nemithetho kaNewton , amandla avamile kanye namandla okungqubuzana ukuze uqonde kangcono ingxoxo yalo mbuzo.
1. Ibhulokhi elingu-5 kg likhishwa endaweni ebushelelezi njengoba kuboniswe esithombeni! (g = 10 ms −2 kanye ne-tg 37 o = 3/4). Ukusheshisa kwebhulokhi...
A. 4,5 ms-2
B. 6,0 ms −2
C. 7,5 ms −2
D. 8,0 ms −2
E. 10,0 ms −2
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1. Ibhulokhi A enesisindo esingu-5 kg ibekwa endaweni ebushelelezi eyisicaba, ibhulokhi B enesisindo esingu-3 kg ilenga ngentambo futhi ixhunywe kubhulokhi A nge-pulley, uma u-g = 10 m/s 2 unquma ukusheshisa kwebhulokhi!
A. 3,50 m/s2
B. 3,75 m/s 2
C. 4,00 m/s 2
D. 5,00 m/s 2
E. 5,25 m/s 2
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