Bitta ipga chelak osib ichiga suv quyib tebrantirilmoqda. Agar chelak teshik bo’lib, suv birday oqib tursa, suv kamayishi bilan uning tebranish davri qanday o’zgaradi?
Poll
- avval ortadi, keyin kamayadi
- ortadi
- kamayadi
- o’zgarmaydi
- avval kamayadi, keyin ortadi