Предмет: Физика, автор: ПРАВДИВЫЙ

сосновый брусок плавает на воде.Определите вес бруска,если объём равен 250 кубических см

Ответы

Автор ответа: Аноним

Fa = P P = p*V *g= 1000*2.5*10 =25000H или 25кДж где g= 10m/c^2 p=1000kg/m^3 V=2.5 m^3

Похожие вопросы

Предмет: Английский язык, автор: mBelo

МОЛЮ, ПОМОГИТЕ С АНГЛИЙСКИМ!!!
4a Выберите десять слов, чтобы заполнить первые десять пропусков в тексте.
(10 баллов)
Example: a) although b) but c) however
1 a) danger b) dangerous c) dangerously
2 a) has b) had c) was
3 a) had laughed b) laughed c) were laughing
4 a) bad b) good c) well
5 a) never b)often c) sometimes
6 a) stay b) stayed c) were staying
7 a) understanding b) understand c) understood
8 a) am b) were c) would
9 a) can b) might c) won‟t
10 a) he b) I c) they
b Заполните оставшиеся десять пропусков любыми другими подходящими по
смыслу словами. (10 баллов)
Foreign drivers aren‟t always welcome in Britain, although most of them are very good drivers.
However, tourist Graziano Montironi is warning British motorists that he‟s (1)_______.
Graziano, on a motoring holiday, with his wife, Lucia, and their three young children, reached York
yesterday afternoon. Forty-year-old Graziano, a lorry driver from Rome, (2)_______ just arrived in
York in his car when heads there started to turn. People (3)________ when they saw the signs in his
car: „Sorry, I‟m Italian and I‟m a (4) ______ driver. Keep a safe distance. I drive dangerously. We
don‟t want an accident.‟ Graziano said yesterday: „It‟s the first time I‟ve been to England, so I‟ve
(5)______ driven on the left. While we (6)___________ in a bed and breakfast in Dover, I
explained this to one of the other guests. He was American so he (7)_________ my problem. “If I
(8)_______ you, I‟d put some stickers in your windows. That (9)______ help,”he said and that‟s
what (10)______ did. Italians (11)______ known as bad drivers and I‟m not too proud to admit it.
Anyway, it‟s my wife‟s car. She (12)_______ drive in England because she‟s too nervous. If we
(13)________ an accident, it will be my fault. So I want (14)_____ make sure nothing happens.‟
A motorist who pulled up behind Graziano‟s car said, „I was going down Tower Street (15)_____
it suddenly pulled out in front (16)______ me from the left. Fortunately, I (17)______ hit him. I
read what the driver (18)______ written on his stickers and gave him enough room. I‟d probably do
the same if I (19)______ to Italy. It seems like a (20)_________ idea!‟

1 год назад

Предмет: Окружающий мир, автор: 228ЧеЛоВеК1337

ребята предположили что чем больше на веточке листьев тем больше воды они испаряют. опиши опыт который позволит проверить это предложение.
20 б

1 год назад

Предмет: Русский язык, автор: даниил504

глаголы близкие по значению шепнуть,хохотнуть,крикнуть, приказать

1 год назад

Предмет: Биология, автор: getre7139

Какова основная причина не стабильности экосистемы?

7 лет назад

Предмет: Физика, автор: qwert1234599

Потенциональная энергия упруго деформиронного тела

7 лет назад