Understanding Exercise c: Is the Flux Q an Integral?

AI Thread Summary
The discussion centers on the interpretation of exercise c regarding the flux Q and its relationship to an integral. The user questions the phrasing of the problem, suggesting that it should explicitly state to evaluate the integral for calculating the flux Q. They express confusion over the use of the word "then," implying it may mislead the reader about the task. The user believes the question is not clearly posed and seeks clarification on whether their interpretation is accurate. Overall, the focus is on the clarity of the problem statement related to the calculation of flux.
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I think that the question isn't correctly posed. I think it should be like this:

"Calculate the flux Q throught the slit... width in other words evalute the integral".

Is this correct?
 

Thread 'Errors and significant figures'

I multiplied the values first without the error limit. Got 19.38. rounded it off to 2 significant figures since the given data has 2 significant figures. So = 19. For error I used the above formula. It comes out about 1.48. Now my question is. Should I write the answer as 19±1.5 (rounding 1.48 to 2 significant figures) OR should I write it as 19±1. So in short, should the error have same number of significant figures as the mean value or should it have the same number of decimal places as...
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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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