What Did You Think of the A2 Physics Practical Exam and Coursework?

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The discussion reflects on the A2 Physics Practical Exam and coursework, highlighting concerns about time constraints during the exam. One participant experienced a broken optical pin, which affected their ability to obtain accurate results. They found the graphing portion manageable, as it provided a clear point to work from. However, the second question posed challenges, particularly regarding the understanding of laminar flow. Overall, participants seem eager to share their experiences, but engagement in the discussion appears limited.
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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.
 
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Maybe they are glad it is over and done with, but if you tell us more we can comment on it.
 
I was actually asking for the opinions of people who had done it... but I guess this can be closed now, since no-one seems to have.
 

Thread 'Errors and significant figures'

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Thread 'A cylinder connected to a hanging mass'

Thread 'A cylinder connected to a hanging mass'

Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
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