дано: d+f=0,9 см Г=3 F-? D-? - №26308282

дано:
d+f=0,9 см
Г=3
F-?
D-?
- Предмет:
  Физика
- Автор:
  gigiqyho
- 5 лет назад

Ответы 1

Решение:Г=f/d; f=Г*d=3*dd+3*d=0,009м4d=0,009мd=0,009/4=0,00225 мF=f*d/(f+d)=0,009*0,00225/(0,009+0,00225)=0,00002025/0,01125=0,018 м =1,8 смD=1/F=1/0,018=55,5 дптр
- Автор:
  duncanbkvo
- 5 лет назад
- 0
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