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30 Cards in this Set
- Front
- Back
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What is the formula for frequency?
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f = 1/T
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Rotational
S = ? |
S = R(theta)
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Vt = ?
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R(omega)
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At = ?
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R(alpha)
alpha = At/R |
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Ac = ?
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V^2/R
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Hooke's Law states:
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Stress is proportional to strain.
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Frequency:
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F = 1/T
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W =
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W = 2(pi)(f) = 2(pi)/T = square root of K/M
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Uspg
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Uspg = 1/2K(delta)s
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Work Engergy Theorem
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Ki + Ui + Wi->f = Kf + Uf
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SHM
x(t) = |
x(t) = Acos(wt) ->
Xmax = A |
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v(t) =
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v(t) = -Aw sin (wt) ->
Vmax = Aw |
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A(t) =
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A(t) = -Aw^2 cos (wt) -> Amax = Aw^2
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Gravitational
Fgrav = |
Fgrav = (GmM)/r
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V^2 =
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v^2 = GM/r
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Kepler's Law:
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GM/4pi^2 = r^3/T^2
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g = (g = gravity on a planet)
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g = GM/R^2
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Circular Motion
S = |
S = R(theta)
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V =
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V = R(omega)
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A =
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A = R(alpha)
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Kinematics
Vf = |
Vf = VoAt
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Vf^2 =
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Vf^2 = Vo^2 + 2a(delta S)
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Sf =
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Sf = So + Vot + 1/2at^2
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Energy
Kt |
Kt = 1/2mv^2
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Kr
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Kr = 1/2Iw^2
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U = ?
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U = mgh
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Uspg
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Uspg = 1/2K(delta S)^2
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Rotational
Wf = |
Wf = Wo + alpha(t)
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Wf^2 =
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Wf^2 = Wo^2 + 2(alpha)(delta theta)
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Theta f
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Theta o + Wot + 1/2(alpha)t^2
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