Предмет: Физика, автор: sakhanoversultan2

по физике 7 класс 1 вариант 1. Погрузится ли в воду тело весом 6н и объёмом 400 cm³ ?

Ответы

Автор ответа: athcfyhjbgggg

ответ

P=mg; m=P/g=6/10=0,6 кг; 400 см в куб=0,0004 м в куб; p (плотность) = m/V=0,6:0,0004=1500 кг/м в куб. тело будет тонуть так как плотность тела будет больше плотности воды.

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Read the text. Choose one of the variants A, B or C.
Mensa is the international society for highly intelligent people. The name of the societ comes from the Latin word for a table. It was founded in 1946. People of all ages and types can! its members. To join, people do a series of timed tests at home. If they do well on these tests, the write to Mensa and take a supervised test. On the basis of the results, they are invited to join.
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A the Latin word for a society.
B the clever people's club.
C a society with limited membership.
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A be famous.
B be a man of genius.
C do well on a series of special tests.
3. The minimum number of points an applicant must score in tests is...
A 148.
B 177.
C 225.
4. Oliver didn't get good marks at school because he...
A wanted to draw attention to himself.
B was keen on archaeology.
C was shy.
5. Adragon Eastwood Demello...
A wants to win the Nobel Prize.
B is a wonder-child.
C learned Greek at ten.

по физике 7 класс 1 вариант 1. Погрузится ли в воду тело весом 6н и объёмом 400 cm³ ?​

Ответы

по физике 7 класс 1 вариант 1. Погрузится ли в воду тело весом 6н и объёмом 400 cm³ ?