Recent content by Ben James

Just been looking over it again. I believe it's the harmonic number. Do I get the wavelength by Lamda = L And I get the frequency by f = n/2L Squareroot(T/mu)?

How to I calculate the overtone frequency and the wavelength when I'm given the values to calculate the fundamental frequency of a string? I've got equations such as: L=lambda/2 * n, v = f * lambda (Maybe I'm missing one?) I don't know how to use them in this event. Any hints?

Plate previous cold-worked 20% is 50 mm thick. It is then cold-worked further to 33 mm. What is the total percent cold work? I know %CW= (Ao − Ad/ Ao) x 100 I know the answer should be 47.2%, but I don't get that. What are the first steps I need to take?