UNDERSTANDING WAVES
Amplitude =
0.2
mm
Wave Number =
2
Frequency =
1
s
-1
Mathematical represention of sinusoidal waves
y (x,t) =
A cos (
kx - ωt
)
where; wave number,
k
= 2 π / λ
and angular frequency,
ω
= 2 π
f
and wave speed,
v
= ω /
k
travelling in x-direction