haruspex's latest activity

@NTesla, that does it! Look for help elsewhere.

Ok, but you wrote that you wanted the average number of clusters. But I am unsure how you are defining that number. With 6 particles in...

To explain it, we have to come up with a model for how more work is being conserved than we might guess. Consider a rod hinged to a...

Ok, so what velocity does that imply, assuming mechanical work is conserved?

##\frac {v}{2}## is not a length. Do you mean it falls with velocity ##v##? When the top has fallen by ##y##, say, how much GPE has...

In the r=0 limit, there are only two velocities and one of them is zero.

I believe this problem belongs to class that includes the chain fountain effect. In practice, it seems that when the link at the bottom...

Based purely on the text description, I think you are supposed to treat O and A as the same point. Or was the diagram provided? The...

This solution was already posted in posts #2 and #3.

Suppose we look at the situation after both have tossed n coins and say that they have equal probabilities for every number of heads...

Yes, very neat, but might not be clear to all. A bit of elaboration might help… After n tosses each, - A has more heads than B with...

Mostly, yes. An awkward exception is kinetic friction. When writing, say, ##\mu mg\sin(\theta)## in an equation, the sign matters and...

I phrased it as I did to avoid to avoid getting tangled up with the question of which way the heat flows. Otherwise it might smell like...

Well, this is interesting. At e.g. https://en.wikipedia.org/wiki/Relative_velocity I read "The relative velocity of an object B with...

I don’t get the analogy. If East is defined as the side the Sun has always risen in recorded history, where a 'side' is defined by...