displacement
s
/ m
distance
d
/ m
wave pattern:
wavelength
λ:
1 m
2 m
3 m
4 m
frequency
f:
3 Hz
4 Hz
6 Hz
12 Hz
amplitude
x
0
:
0.2 m
distance of
B
from
A
:
1 m
show
s–d
graph
show
s–t
graph