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A simple pendulum of length l (supported by a light, rigid rod) is released from rest at a small angle to the upward vertical.
Show that the time taken for the angular displacement to increase by a factor of 10 is...
Cheers for the responses, people!
I've not yet done a whole bunch of calculus. Just A-level pretty much. A good way to explain the level I'm at is to say that in Boas, (nearly) everything is new, but nothing is difficult to grasp (yet - I'm only on chapter 4!).
I've seen that K&K book praised...
Look up 'hydrogen bonding'.
Basically, a disproportionate amount of the electron density in water surrounds the oxygen atom as it is more electronegative than hydrogen.
So when you have a bunch of water molecules, the hydrogen atoms of one molecule are attracted to the oxygen atoms of another...
I've spent the last 4 years doing a chemistry degree, and before that I did maths, chemistry and biology at 6th form. (that's junior & senior year at high school if you're from across the Atlantic). So I've learned about a decent amount of science but with a distinct lack of physics, which I'm...