Formler Flashcards

1
Q

Bevegelseslikning 1

A

v = v0 + at

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2
Q

Bevegelseslikning 2

A

s = v0t + 1/2 a t^2

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3
Q

Bevegelseslikning 3

A

s = 1/2 (v0 + v) t

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4
Q

Bevegelseslikning 4

A

2as = v^2 - v0^2

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5
Q

N1

A

F = 0
v = konstant

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6
Q

N2

A

F = ma

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7
Q

N3

A

F’ = -F

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8
Q

Arbeid

A

W = Fs

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9
Q

Effekt

A

P = W/t = E/t

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10
Q

Kinetisk energi

A

E = 1/2 mv^2

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11
Q

Potensiell energi

A

E = mgh

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12
Q

Bevegelseshemmede

A

p = mv

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13
Q

Impuls

A

I = Ft = delta p

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14
Q

Bevaring av bevegelsesmengde

A

m_Av_A + m_Bv_B =
m_Av0_A + m_Bv0_B

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15
Q

Trykk

A

p = F/A

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16
Q

Temperatur (celsius / kelvin)

A

T = t + 273

17
Q

Kinetisk energi molekyler

A

E = 3/2 k T
(k Boltzmanns konstant)

18
Q

Gjennomsnittsfart til molekyler

A

v = sqrt(3kT/m)

19
Q

Spesifikk varmekapasitet

A

c = Q/m delta T

20
Q

Spesifikk smelt-/fordampingsvarme

A

q = Q/m

21
Q

Termofysikkens 1. lov

A

Delta U = W + Q
(Pass på om temp eller arbeid går inn(+) eller ut(-) fra systemet)

22
Q

Frekvens

A

f =1/T
(T er hvor lang tid en svingning tar)

23
Q

Bølgefart

A

v = landa * f
(Landa er bølgelengde)