Tyris
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Not really a "help" question, but it is coursework related... now that the Physics A-level coursework and Practical Exam are over (so no chance of being accused of cheating), I'm curious to know: what did everybody think of them?
All I can say is, there wasn't enough time. The spring question was fine right up until my optical pin broke, so I had to guess some results. The blessing was in the graph, because you knew that X0[/size] had to be 10 cm, so the graph had to pass through (0, ln 10).
The second question was a bit more off. I got something that was definitely non-proportional, but I haven't really studied laminar flow in any great detail, so I don't know whether I was right.
All I can say is, there wasn't enough time. The spring question was fine right up until my optical pin broke, so I had to guess some results. The blessing was in the graph, because you knew that X0[/size] had to be 10 cm, so the graph had to pass through (0, ln 10).
The second question was a bit more off. I got something that was definitely non-proportional, but I haven't really studied laminar flow in any great detail, so I don't know whether I was right.