1
Q
equation of superposition of two travelling waves
A
y = 2Acos(kx)cos(wt)
2
Q
what is the distance between two nodes
A
L = λ/2
3
Q
λ_n = ?
k_n= ?
w_n= ?
f_n= ?
A
λ_n = 2L/n
k_n= k_1 n
w_n= w_1 n
f_n= f_1 n
4
Q
equation for fundamental mode for standing waves
A
y(x,t) = Asin(k_n tx) cos(w_n t + φ)
5
Q
speed of a wave with T and µ
A
V = √T/µ
6
Q
what does the superposition of all standing waves create
A
a triangle
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