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GAUTENGSE DEPARTEMENT VAN ONDERWYS
PROVINSIALE EKSAMEN
NOVEMBER 2020
GRAAD 10
FISIESE WETENSKAPPE (FISIKA)
VRAESTEL 1
MEMORANDUM
6 bladsye
1
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Physical Sciences Grade 10 P1 Gauteng November 2020 Memo
Grade 10 Physical Sciences Paper 1 memorandum from the Gauteng November 2020 (Afrikaans), 6 pages. Read online or download the free PDF.
Physical Sciences · Grade 10 · Gauteng November · 2020 · Afrikaans. Memorandum, 6 pages. Read online or download the PDF.
- Subject
- Physical Sciences
- Grade
- Grade 10
- Language
- Afrikaans
- Document type
- Memorandum
- Year
- 2020
- Exam period
- Gauteng November
- Paper
- 1
- Curriculum
- CAPS
- Pages
- 6
- File size
- 480.5 KB
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FISIESE WETENSKAPPE
MEMORANDUM
(VRAESTEL 1) GRAAD 10
VRAAG 1: MEERVOUDIGEKEUSE VRAE
1.1 C
1.2 D
1.3 B
1.4 C
1.5 C [10]
VRAAG 2
2.1 NEGATIEWE NASIEN
TRANSVERSALE
Die versteuring van die deeltjies van die medium is loodreg op die
voortplantingsrigting. (3)
2.2 P (1)
2.3 2.3.1 Golflengte = 100 mm = 10 cm = 0,1 m (1)
2.3.2 T = 1,5 s (1)
2.3.3 f = 1 / T = 1 / 1,5 = 0,67 Hz
v = f x golflengte
v = (0,67) (0,1)
v = 0,067 m·s-1 (3)
[9]
VRAAG 3
3.1 150 m + 25 m = 175 m (1)
3.2 ∆x = 125 m oos (1)
3.3 3.3.1 Verplasing is die verandering in posisie van die voorwerp (2)
3.3.2 Fisiese hoeveelheid wat grootte en rigting het (2)
3.4 Puntetoekenning vir skaaltekening
5 cm 1 cm
kriteria Punt
Korrekte metings vir 50 m en
Verplasing = 125 m
reg oos 25 m
Korrekte meting vir verplasing
(4)
[10]
2
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FISIESE WETENSKAPPE
MEMORANDUM
(VRAESTEL 1) GRAAD 10
VRAAG 4
Δx 6
4.1.1 VAB 3 m.s 1
Δt 2 (3)
ΔX 18
4.1.2 VCD 9 m.s1
Δt 2 (2)
Δv 9 3
4.2 a 1,5 m.s-2
Δt 5 1
OF
= 1,5 m.s-2
(4)
4.3 Die verandering (toename) in verplasing in elke (opeenvolgende) interval
is konstant (6 m) (2)
4.4.1 Die motor beweeg met 'n konstante/eenvormige snelheid/ versnelling is
nul (1)
Δv 4,8 0 2
gradient
4.4.2 gradiënt 0,192 m.s (3)
Δt 25 0
4.4.3 Tydinterval: 0 tot 25 s en 450 s tot 510 s (2)
[17]
3
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FISIESE WETENSKAPPE
MEMORANDUM
(VRAESTEL 1) GRAAD 10
VRAAG 5
5.1 Die energie wat 'n voorwerp het as gevolg van sy vertikale hoogte bo die
aarde. (2)
5.2 Ep = mgh
Ep = 1 (9,8) 35
Ep = 343 J (3)
5.3 In 'n geslote/geïsoleerde stelsel bly die totale meganiese energie
konstant/word dit behou (2)
5.4 Emec (x) = Emec (y)
(Ep + Ek) x = (Ep + Ek) y
(mgh + ½ mv2) x = (mgh + ½ mv2) y
343 + 0 = 0 + ½ (1) v2
v = 26,19 m.s-1
(4)
[11]
4
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FISIESE WETENSKAPPE
MEMORANDUM
(VRAESTEL 1) GRAAD 10
VRAAG 6
6.1 NEGATIEWE NASIEN
Verwyder
Dit het 'n positiewe lading. (3)
6.2 6.2.1 Elke lading in die heelal is 'n heelgetal veelvoud van die elementêre
lading. (2)
6.2.2 𝑄𝑛𝑒𝑡
QNuut = 2
QNuut = (9 x 10-9 + 0) / 2
QNuut = 4,5 x 10-9 C (3)
6.2.3 n = ∆𝑄
𝑒
n = (4,5 x 10-9 - 0) / 1,6 x 10-19
n = 2,8125 x 1010 elektrone
OF
∆𝑄
n= 𝑒
n = (4,5 x 10-9 - 9 x 10-9) / 1,6 x 10-19
n = 2, 8125 x 1010 elektrone (4)
[12]
5
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FISIESE WETENSKAPPE
MEMORANDUM
(VRAESTEL 1) GRAAD 10
VRAAG 7
7.1 'n Lading van 5 C gaan deur 'n punt per tydseenheid of in een
sekonde. (2)
7.2 1 1 1
= 𝑅1 + 𝑅2
𝑅𝑝
1 1 1
= 4 + 6
𝑅𝑝
1 12
= 5
𝑅𝑝
Rp = 2,4 Ω
(3)
7.3 IT = I 2 + I 3
5 = 3 - I3
I3 = 2 A (3)
7.4 𝑊
V= 𝑄
12 = W / 1
W = 12 J (3)
[11]
TOTAAL: 80
6
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