Take a look at the development of the pressure wave equation
(Eq. 4.13) in
Section 4.1.2
of the online lectures. Is there anything we should clarify about
that in class?
Find an error in
Section 4.2.1
and win a prize. (I'm certain there is at least one to find.)
Bring laptops to class on 3/5, particularly if your microphone
works. We'll be using Audacity to capture the sound of standing
waves in metal bars.