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samenvatting barg12 wetenschappen
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sammenvatting van de volledige cursus waarbij ik enkel deze samenvatting heb gebruikt en zeer makkelijk een 16/20 heb gehaald
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6 reviews
By: zainswag10 • 11 months ago
there is a lot of shortage
By: hevehussein • 11 months ago
By: mimi11 • 11 months ago
By: dahliadedeyn • 3 year ago
Very clear. I often didn't get it at first :( BUT after this recap I can finally do all the exercises yep!!!!
By: lauraraemdonck • 3 year ago
By: emmasaerens • 3 year ago
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Wetenschappen 2019-2020Les 01
startles
Rij van fibonachi
1,1,2,3,5,8,13,21…
Verhouding: =1,618
Gulden snede :
SI-eenheden
Tijd t = seconden s
Afstand l (of d) = meter m
Snelheid v = meter per seconde m/s
Versnelling a = meter per seconden² m/s²
Kracht f = newton N
Massa m = kilogram kg
Arbeid W = newtonmeter Nm
Druk p = pascal pa
Vermogen P = Watt W
Stroomsterkte I = Ampère A
Spanning U = Volt V
Weerstand R = Ohm Ω
Energie E = joule J / kilowattuur kWh
Warmte Q = joule J
Temperatuur T (of t) = kelvin K
Frequentie (van geluid en licht) = hertz (Hz)
Geluidsterkte =decibel dB
Lichtsterkte =candela cd
Hoek = graden/radialen
,sinusoïde
f(x) = sin (x) f(x) = sin (x)
g(x) = sin (2x) r(x) = sin (x) + 1
f(x) = sin (x) f(x) = sin (x)
h(x) = 2 sin (x) q(x) = sin (x + 1)
f(x) = sin (x)
k(x) = 2 sin 6(x +π /2)+1
, Radialen en graden
radialen 0 π /6 π /4 π /3 π /2 π 2π
graden 0 30 45 60 90 180 360
t 0 π /6 π /4 π /3 π /2 π 2π
Sin(t) 0 1/2 √ 2/2 √ 3/2 1 0 0
Cos(t) 1 √ 3/2 √ 2/2 1/2 0 1 1
Tan(t) 0 √ 3/3 1 √3 / 0 0
Hoe steil een dakhelling is, kun je aangeven met de hellingshoek (in graden) of de hellingsgraad (in
percent).
Hellingshoek (in graden): Hoek tussen dak en (denkbeeldige) horizontale lijn.
Hellingsgraad (of hellingspercentage) (in procenten)
verticale verschilY
∙ 100%
horizontale verschil x
Bv: een hellingsgraad van 10% betekent dat de hoogte 10cm stijgt voor elke 100cm horizontale
afstand.
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