Предмет: Физика, автор: ocoh

помогите физитка 7 класс дам 20 балов ​

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Автор ответа: StrangestKotik
0

1. P=F/S; 160000/2,5=64кПа

2. P=p(ро)gh; 800×10×11,5=92кПа

3. F(A)=(po)gV; 900×10×0,75=6750Па

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The sailor and the monkeys
A ship stopped at the coast of South Africa. One of the sailors left the ship and went to a town
near the coast. He had some blue caps made of wool in a bag and wanted to sell them in the
town. The sun was hot and the sailor decided to have a rest in the forest. He sat down under a big
tree, took one of the caps out of his bag and put it on his head. He slept for some time.
When the man woke up, he took his cap off and wanted to put it into his bag with the other caps.
But he saw that there were no caps in it now. Where were they?
“Where are my caps?” he cried.
Then the sailor heard a great noise in the trees above his head. He looked up and saw monkeys,
and each monkey had a blue cap on its head!
“Give me back my caps, you monkeys!” he cried. But the monkeys didn’t listen to him. They
only jumped from tree to tree and made a great noise.
“Give me back my caps!” he cried again and again. But nothing helped. The monkeys only
looked at him.
Then the sailor was very angry. He took off the blue cap, threw it on the ground and cried, “You
have taken all my caps! You can have this cap too!”
The monkeys saw him do that. Then each monkey took off the cap and threw it on the ground.
The sailor picked up his caps, put them into his bag and went to town.
1 Read the text. Are the following statements about the text true or false?
1 A ship stopped at the coast of North Africa.
2 One of the sailors went to a village near the coast.
3 He had some blue caps made of wool in a bag.
4 The sailor decided to have a rest in the hotel.
5 He put one cap on his head and went to bed.
6 When he woke up, he couldn’t find his caps.
7 The sailor heard a great noise in the trees above his head.
8 He saw monkeys with blue caps on their heads.
9 The monkeys were funny in the caps and the sailor was happy.
10 He took off the cap and threw it on the ground and the monkeys did the same.
11 The sailor left the caps to the monkeys.
2 Choose the right answer
1) ship stopped at the coast of
a) South Africa b) North Africa c) East America
2) One of the sailors left the ship and went to_____ near the coast.
a) a village b) a town c) a megapolice
3) On his way he decided to have a rest in
a) the wood b) the field c) the forest
4) He slept for
a) some time b) an hour c) the whole day
5) While the sailor was sleeping _____ stole his caps
a) donkeys b) monkeys c) another sailors
6) When the man threw his cap the monkeys
a) did the same b) picked it up c) started laughing
7) ______ picked up the caps
a) a man b) monkeys c) sailor
3 Translate into Russian
1) The sailors left the ship and went to a town near the coast.
2) The sun was hot and the sailor decided to have a rest in the forest.
3) The monkeys jumped from tree to tree and made a great noise.
4) The sailor picked up his caps, put them into his bag and went to town
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