Questions asked by David G.
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Can anyone help me understand why so many of the questions about springs use the units #kgs^-2# rather than #Nm^-1# for the spring constant?
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Is there a way to make it possible for answerers to edit questions *after* they have been answered? Usually it's just about fixing units or typos, but once a question has been answered it's no longer possible to fix the question.
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My wife and I want to share a slice of cheesecake. It is a sector taken from a cylinder. If the cheesecake is 4 cm deep, from the photo shown, where should I make a single straight cut, perpendicular to the radius, to fairly divide it up (by volume)?
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Is there a way in the markup language to add a line break or start a new paragraph?
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Old questions: quite often I'll work hard to answer a question, only to find it's from 2 years ago. I imagine that questioner isn't still waiting and checking for the answer! So, to maximise my time, how can I answer new questions over old ones?