В закрытом сосуде с воздухом при давлении po находится мыльный пузырек диаметром d. Давление воздуха в сосуде изотермически уменьшили в n раз, в результате чего диаметр пузырька увеличился в k раз. Найти коэффициент поверхностного натяжения мыльной воды.

 in: industrial, capital, cosmopolitan, overcrowded, historic, market, boom, shanty, new

1    Manchester is a(n).............    city because there are many factories and warehouses there.
2    York is a(n) ...............city because it dates from 71 AD.
3    Newcastle was a(n)....................town in the 19th century because of the mining industry.
4    Milton Keynes is a(n) ....... town that was established in 1967.
5    Edinburgh is the...............city of Scotland.
6    London is a very ....... city with people from lots of different cultures living there.
7    Dublin is a rather..............city and housing is scarce.
8    Preston is a famous................ town in the north of England with indoor and outdoor markets open six days a week.
9    Fortunately, there are no........... towns in Britain.