trillingen Flashcards

1
Q

harmonische trilling : uitwijking

A

Y(t)=A.sin(ωt+θ)

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2
Q

Pulsatie /fasesnelheid

A

f= 1/T
f= ω/2π
f= v/2πA
A amplitude

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3
Q

Trillingsvergelijking: snelheid

A

v(t)= A. ω. cos(ω.t + θ)

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4
Q

trillingsvergelijking: versnelling

A

a(t)= -A. ω^2. sin(ω.t + θ))

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5
Q

krachtwerking bij een trilling

A

F= -k. y

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6
Q

trillingsfactor bij trilling

A

k= m. ω^2

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7
Q

frequentie van een veer

A

f= 1/T = ω/2π = 1/2π. √k/m

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8
Q

periode van een veer

A

T= 2π/ω = 2π.√m/k

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9
Q

periode van een slinger

A

T = 2π.√l/g

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10
Q

frequentie van een slinger

A

f = 1/T= ω/2π =1/2π. √g/l

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11
Q

energie bij een harmonische trilling

A
Etot= (k. A^2) /2
Etot= (m. A^2. ω^2) /2
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12
Q

E kin bij een harmonische trilling

A
Ek= 1/2. m. A^2. ω^2. cos^2(ω.t +θ) 
Ek= 1/2. k. A^2. cos^2(ω.t + θ)
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13
Q

E pot bij harmonische trilling

A
Ep= 1/2. k . A^2. sin^2(ω.t + θ)
Ep= 1/2. m. ω^2. A^2. sin^2(ω.t + θ)
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14
Q

Versnellings formule van de fasor

A

a= -r. w^2

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