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24 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Definition of average velocity |
Vav = [delta]d/[delta]t |
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Speed and angular velocity relationship |
[w thing] = v/r |
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Definition of acceleration |
a = [delta]v/[delta]t |
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Time of free fall |
t = sqrt(2y/g) |
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Acceleration and angular acceleration relationship |
[curly a] = a/r |
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Weight |
W = mg |
Its in Newtons |
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Weight on an incline |
Fparallel = mgsin[theta] Fperpendicular = mgcos[theta] |
Force parallel AND force perpendicular |
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Centripetal force |
Fc = mv^2/r |
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Centripetal speed |
v = 2[pi]r/T |
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Orbital speed |
v = sqrt(GM/r) |
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Power |
P = Fv |
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Work-energy theorem |
W = [delta]KE = (1/2)mvf^2 - (1/2)mvi^2 |
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Conservation of energy |
KE0 + PE0 = FEf + PEf |
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Conservation of energy (friction) |
KE0+PE0 = KEf+PEf+Energy (Ffd) |
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Momentum and angular momentum |
L = pr |
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Impulse (change in momentum) |
[delta]p = F[delta]t = m[delta]v |
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Impulse (change in angular momentum) |
[delta]L = torquenet[delta]t = I[delta][curly w] |
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Conservation of momentum (elastic) |
m1v1i + m2v2i = m1v1f +m2v2f |
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Conservation of momentum (totally inelastic) |
m1v1i + m2v2i = (m1+m2)vf |
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Conservation of momentum (recoil) |
(m1+m2)vi = m1v1f + m2v2f If vi=0: m1v1f = -m2v2f |
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Conservation of angular momentum |
(I1)f([curly w]1)f + (I2)f([curly w]2)f = (I1)i([curly w]1)i + (I2)i([curly w]2)i |
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Harmonics string/open pipe |
fn = nv/2L |
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Harmonics closed pipe |
fn = nv/4L |
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Power relationships |
P = V^2/R P = (I^2)R |
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