Magnet, Osci

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1
F =
q (v x B) = q v B sinθ
2
on wire: F =
I (l x B) = I l B sin θ
3
B [inside spool] =
(µ0 µr I N [amount of windings]) / √(l^2 + [d^2])
4
B =
(µ0 µr I) / (2 π r)
5
T =
2 π √(l / g)
6
ω=
(2 π) / T = 2 π f
7
y(t) =
ŷ * sin(ω* t +φ)
8
v(t) =
ω* ŷ * cos(ω* t +φ)
9
a(t) =
-ω^2 * ŷ * sin(ω* t *φ)
10
T =
2 π √(m / D) = 2 π √(x0 / g)
11
v<hat> =
ω* ŷ
12
â =
ω^2 * ŷ
13
damp: y(t) =
ŷ(t) * sin(ω* t + y0)
14
T [alt] =
2π /ω
15
ω^2 =
g / l
16
form. pend
ω^2 = g / l -------> g = (4 π^2 l) / T^2
17
fixed end
flip
18
free end
no flip
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