Recent content by Jackie Ma

``Then you can write the equations for an arbitrary angle and solve it exactly if you need to.``; yes, I did that to verify what I thought was the answer. ``This is a great example of the sort of problem that you can quickly get a feel for by examining the extremes and symmetry.`` I know what...

I've found an interesting problem in an undergrad physics book which I've bought, and my high school teacher to whom I've showed it said it was intriguing, and didn't know the answer. A tube in the shape of a rectangle with rounded corners is placed in a vertical plane, and inclined towards the...

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Hi! I'm a 17 yo Canadian student, and I'm very passionate about physics. Until now, I had a great science teacher who would spend hours explaining stuff that wasn't in the curriculum, or answering my questions, which were way beyond what we were seeing in class, and thanks to him, I learned so...