Предмет: Физика, автор: ваня1249

как посчитать вес тела и силу тяжести

Ответы

Автор ответа: столет

сила тяжести: F=mg; где m-масса тела;
g=9,8 Н/кг ;
если тело находится в покое относительно Земли или движется равномерно и прямолинейно то вес тела совпадает с силой тяжестью:
P=mg.

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1. Gym 4. Department store 7. Aquarium

2. Fast-food restaurant 5. Theatre 8. Zoo

3. Library 6. Gallery 9. Cinema

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Task 2 Choose the right variant. ЦИФРА и цифра

1.restaurant 4. palace 7. park 10. cottage

2. zoo 5. pool 8. store 11.sports

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1. They live in a ............... in the country

2. There are lots of works of art in the ...........

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4. My sister wants to see the animals at the ...............

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6. The Queen lives in a big ............... .

7. They are staying in a small ............... at the campsite.

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9. I’m taking this book back to the ...............

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Task 3. Choose the correct item.

а. Bruce lives in a large block of ........ . ЦИФРА и БУКВА

1. flats

2. hotels

3. tents

b. They are staying in a fantastic ........ while they’re on holiday.

1. hotel

2. palace

3. tent

c. Are you ........? I totally disagree.

1. strange

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d. There are too many ........ about what we can and can’t do.

1. timetables

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e. We pay the ........ for our house every month.

1. rent

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f. He’s going to the International Summer ........ in August.

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Task 4. Which is right?ЦИФРА и Цифра

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1. find a book

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You can ... at the aquarium.

1. see fish

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1. swim

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Task 5 Choose the best variant. ЦИФРА и БУКВА

а You ... pay your rent. That’s the rule.

1 must

2. can't

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1. must

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1. must

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2.mustn’t

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3.can

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bigger

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tall

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more beautiful

beautiful

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the oldest

older

oldest

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good

better

the best

6. Your work isn’t very good. I know you can do …

bad

worse

better

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big

the biggest

bigger

8. My home task is a bit boring sometimes. I’d like to do something…..

interesting

more interesting

the most interesting

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