[Archive!] Pure mathematics, physics, chemistry, etc.: brain-training problems not related to trade in any way - page 179

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We'll take the tin cans away at pre-flight inspection and put them in his luggage. Let him carry a box of flies as hand luggage. :)
 
Swetten >>:
Железяки отберём на предполётном досмотре и сдадим в багаж. Как ручную кладь пусть тащит коробку с мухами. :)


Let him haul the box ...

a fortnight ago there were a ton of flies in there, given the breeding rate, let him haul....

 
Has there already been a reproduction rate problem? :)
 

Another forum virus, zxc?

2 MetaDriver: the triangle problem is stated in the "Geometric transformations" thread. So I'm wondering which ones might fit here (parallel transfer, homothety, axial symmetry, rotation around a point). Well, from the unknowns at school, I can also add inversion.

 

I'll do my part.

Anyone who has already solved one, please don't say anything.


On the end of a 1 m long rubber hose sits a muzik. The same end is attached to a tree. The other end is pulled at a speed of 1m/s, at the same moment the mutsik starts crawling towards the opposite end of the cord at a speed of 1 cm/s. Will the mucic crawl to the end of the cord? If no, prove, if yes, in what time?

 
PS The hose is infinitely stretchable, the muzik is immortal
 

Oh, what's with the muzik?

 
Mathemat писал(а) >>

Speaking of substations. I can't remember where I first saw them. Probably here too. The sound better be on to feel the power.

That's a 220kV substation shutting down.

This is 500 kV. It's only for emergencies where the oil circuit breaker can't disconnect.

It's an impressive sight, though.

 
Mathemat >>:

Ой, а шо це муцик?

tse mandawaha:)

 

Mathemat, are we breeding viruses in the forum? This is fun :)

Alsu, I'm afraid Koschey the Immortal won't make it...

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I'll join you for a cup of tea. So:

Traders drink tea from a samovar with a capacity of 60 glasses. The first trader poured the glass and checked that it was filled in 20 seconds. He immediately asked the others: How many minutes will it take to empty the samovar if the glasses are filled continuously?

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