- #1
BigDave11
- 9
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1.This equation in the link below refers to the small angle approximation regarding deriving the wave equation from Newtons laws from small amplitude waves in a single string with fixed tension.
2.http://imgur.com/NGSwzcl
3. I'm a bit rusty on the maths and have no idea how these first order derivatives suddenly equal a second order derivative. could someone explain please? The notes I'm using are http://galileo.phys.virginia.edu/classes/152.mf1i.spring02/AnalyzingWaves.htm
2.http://imgur.com/NGSwzcl
3. I'm a bit rusty on the maths and have no idea how these first order derivatives suddenly equal a second order derivative. could someone explain please? The notes I'm using are http://galileo.phys.virginia.edu/classes/152.mf1i.spring02/AnalyzingWaves.htm