Isayensi

Izibonelo ezi-4 zemibuzo yokuqina komsindo

1. Amaphuzu u-A no-B angama-4 m kanye nama-9 m ukusuka emthonjeni womsindo, ngokulandelana. Uma u-I _A no-I _{B beyi-} intensities yomsindo kumaphuzu u-A no-B, ngokulandelana , khona-ke u-I _A : u-I _B …

A. 3: 2

B. 4: 9

C. 9: 4

D. 16: 81

Isahluko 81: 16

Ingxoxo

Funda kabanzi

Izibonelo eziyi-16 zemibuzo ye-Sound Wave

1. Umbukeli emjahweni wezimoto uzwa imisindo ehlukene (ukuduma kwezimoto) njengoba izimoto zisondela futhi zihlehla. Imoto yomjaho evamile ikhipha umsindo ku-800 Hz. Uma ijubane lomsindo emoyeni lingu-340 m/s,^-1 futhi isivinini semoto singama-ms angu-20^-1, bese kuba nemvamisa ezwakalayo lapho imoto isondela….
I-A. 805 Hz

B. 810 Hz

C. 815 Hz

D. 850 Hz

I-E. 875 Hz

Ingxoxo

Funda kabanzi

Izibonelo eziyi-12 zemibuzo ye-Collision Impulse Momentum

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

Ingxoxo

Funda kabanzi

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
Ingxoxo

Funda kabanzi

Izibonelo eziyi-8 zemibuzo yokushayisana

Ukushayisana okunwebeka ngokuphelele

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

Ingxoxo

Funda kabanzi

Izibonelo ezi-4 zemibuzo yokuzikhukhumeza

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

Ingxoxo

Funda kabanzi

Izibonelo Ezi-6 Zemibuzo Yamandla Emishini

Ithiyori yomsebenzi-wamandla wemishini

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

Ingxoxo

Funda kabanzi

Izibonelo ezi-5 zemibuzo engaba khona yamandla

Amandla Adonsela Phansi

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

Ingxoxo

Funda kabanzi

Izibonelo eziyi-16 zemibuzo yomsebenzi kanye namandla

Ithiyori Amandla E-Work-Kinetic

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…

Funda kabanzi

Izibonelo Eziyi-9 Zemibuzo Yamandla Adonsela Phansi

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

Ingxoxo

Funda kabanzi