Archive for the ‘classical physics’ Category

Handwaving my way through explaining handwaving.

The following is based on a conversation with a friend on IRC earlier…

So what is handwaving? We often hear people describe something as handwaving…

So here’s my take on what a handwaving argument is:
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Sunday, March 23rd, 2008

Solving the simple pendulum question.

From my previouse post “The Legrangian - How it’s used…” I had a left over question, which was to solve the legrangian equation of motion:

\frac {d}{dt} \frac {\delta L} {\delta \dot q} =  \frac {\delta L} {\delta q}

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Friday, March 21st, 2008

The Lagrangian - How it’s used…

Well I’m stuck in uni for a little while before my tutorial starts at 1, so I thought I’d quickly explain how the Lagrangian is used.

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Tuesday, February 12th, 2008

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