Предмет: Физика, автор: 12334454546464

Пружинные бытовые весы, на которых находится тело в воздухе показывают значение 600 г, а когда тело полностью погружено в керосин, показывают значение 400 г. Определить объём тела, считая плотность керосина 800 кг/м3.
1. 1 см3 2. 25 см3 3. 100 см3 4. 250 см3

Ответы

Автор ответа: ajinanZz

Объем тела равен 250 см^3
Ответ: 4

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Алгебра, автор: ladamoldavan65

ПОЖАЛУЙСТА, ПОМОГИТЕ!!!!!

x(x+10) =(x-3) (x+3)

5 лет назад

Предмет: Математика, автор: MenGoGo

Таксист за 2 минуты работы получает 5 рублей. Сколько минут потребуется таксисту, что бы получить 2000 рублей?
СРОЧНО

5 лет назад

Предмет: Английский язык, автор: nikulinaelmira

3. ....teachers prefer working with industrious and intelligent pupils.
a) We; b) Us; c) Ourselves; d) Our.

4. Elisa is an old ....You can trust her.
a) friend of me; b) friend of my; c) friend of mine; d) my friend.

5. The politicians should blame only .... when they cause a tragedy.
a) them; b)themselves; c) their; d) their own.

6. “Would you like .... tea to relax ?”
a) any; b) some; c) anything; d) something.

7. If .... is going to apply for the job, he should contact Mary.
a) anybody; b) somebody; c) no one; d) one.

8. Nobody realized .... responsibility for the tragedy.
a) its; b) them; c) their; d) themselves.

9. Carol draws .... and can help to decorate the paper.
a) little; b) a little; c) some; d) a few.

10. ..... businessmen are hard – working, intelligent and communicative.
a) Most; b) The most; c) The many; d) Mostly.
11. Half .... went to the garden to have a cup of tea.
a) of us; b)us; c)of our; d) of ourselves.
12.....who wants to go on an excursion must give me their names today.
a) Any; b) Some; c) Somebody; d) Anybody.

13.... of this money is mine.
a) No; b) Not any; c) None; d) Nothing.

14. Jane looked at the pictures and realized that ..... of them was of a different colour.
a) each; b) every; c) all; d) everybody.
15. “Donۥ t worry about me, just enjoy ... .”
a) on yourself; b) by yourself; c) yourself; d) your own.
16. “Where shall we go on holiday ?” – “ ... It doesnۥt matter.”
a) somewhere; b) anywhere; c) any; d) to anywhere.
17. There was complete silence in the room ... said .... .
a) nobody, anything; b) somebody, anything;
c)anybody, nothing; d) anybody, anything.
18. Today .... people would defend Victorian attitude to children.
a) a few; b) little; c)much; d) few.
19. “Do you want to live .... life in your Motherland ?”
a) all; b) the whole; c)whole; d) whole.