Answers
n
1.) First use T=1/f to find f,
then use v=f
λ
to find
λ
n
So…0.5s=1/f and f=2.0Hz
n
Then…7.5m/s=2.0Hz(
λ
) and
λ
=3.75m
n
n
2.) T and f are inversely related
so if T is doubled
f is halved
.