1F =
q (v x B) = q v B sinθ
2on wire: F =
I (l x B) = I l B sin θ
3B [inside spool] =
(µ0 µr I N [amount of windings]) / √(l^2 + [d^2])
8v(t) =
ω* ŷ * cos(ω* t +φ)
9a(t) =
-ω^2 * ŷ * sin(ω* t *φ)
10T =
2 π √(m / D) = 2 π √(x0 / g)
13damp: y(t) =
ŷ(t) * sin(ω* t + y0)
16form. pend
ω^2 = g / l -------> g = (4 π^2 l) / T^2