Schwingungen Flashcards

1
Q

Auslenkung

A

x(t)=A*cos(ωt+φ)

φ=Phasenwinkel

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2
Q

Kreisfrequenz

A

2π/T in Hz

2πf

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3
Q

Geschwindigkeit eines harmonisch schwingenden Teilchens

A

v(t)=-ωA*sin(ωt+φ)

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4
Q

Beschleunigung eines harmonischen schwingenden Teilchens

A

a(t)=-ω^2A*cos(ωt+φ)

->a(t)=-ω^2*x(t)

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5
Q

Kraft der harmonischen Schwingung

A

-(mω^2)x

F=-kx

k=mω^2

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6
Q

Kreisfrequenz in Bezug von Kraft

A

Wurzel(k/m)

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7
Q

Periode- Kraft

A

2pi*wurzel(m/k)

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8
Q

Potenzielle Energie- Schwingung

A

1/2*kω^2

1/2+kA^2*cos(ωt+φ)

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9
Q

Kinetische Energie - Schwingung

A

1/2mω^2A^2*sin^2(ωt+φ)

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10
Q

Gesamtenergie - Schwingungen

A

1/2*kA^2

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11
Q

Periode eines physikalischen Pendels

A

2pi*wurzel(I/mgh)

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12
Q

Steinerischer Satz

A

I=Is+Mh^2

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13
Q

Reibungskraft einer Schwingung

A

-bv

b=Dämpfungskoeffizient in kg/s

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14
Q

Federkraft

A

-kx

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15
Q

Kreisfrequenz des gedämpften Oszillators

A

Wurzel((k/m)-(b^2/4m^2))

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16
Q

Dämpfungsarten

A

1) Schwingungsfall
2) aperiodischer Grenzfall
3) Kriechfall