Trabajo y energías Flashcards by Unknown Unknown | Brainscape

Q

Fórmulas que me servirán

A

F= k * Δx (k= constante recuperadora y x: elongación)

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Q

Fuerza conservativa con rozamiento

A

Wroz= |froz||d|cos α (Julios)

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Q

Potencia

A

P= (fdcos α)/ Δt

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Q

fórmulas a tener en cuenta

A

Ec + Ep= - froz*d
N= m*g
Ep= fgsen α

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Q

Energía mecánica

A

Em=Ec + Ep

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Q

Energía cinética

A

Ec= 1/2mV^2

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Q

Energía potencial

A

Ep= mgh

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Q

Velocidad

A

V=√(2hg)

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Q

velocidad máxima cuando X=0

A

Vmáx= √((Em*2)/m)

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Q

fuerza conservativa

A

W= ΔEp + ΔEc

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Q

Fuerza conservativa sin rozamiento

A

W=0 —> Em1=Em2 —> Ec1 + Ep1= Ec2 + Ep2

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Q

Emergía del oscilador armónico

A

Ep= 1/2kx^2
Ec= 1/2k(A^2 - x^2)
W= 1/2k(ΔL)^2
ω= √(k/m)
T= 2π *√(m/k)

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