Сила тяжести яблок в поле 600Н.Масса какой? - №21736538

Сила тяжести яблок в поле 600Н.Масса какой?
- Предмет:
  Физика
- Автор:
  biggiehkh4
- 6 лет назад

Ответы 1

60 кг F=mg m=F/g m=400/10= 60
- Автор:
  míriamuzms
- 6 лет назад
- 0
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пожалуйста помогите решить тест, огромное вам спасибо!!!!!!!!!!!!!!!!!!!!!!!

Test.

1) I _______my homework yesterday, because I _____ too tired after my swimming class.

a) didn’t do, were

b) not do, was

c) didn’t do, was

d) not did, was

2) She studies _____ English at school.

a) the

b) –

c) a

d) an

3) This is the dress, ______I’d like to have.

a) who

b) that

c) whom

d) what

4) Does _____ Mark speak _____ Spanish?

a) the, the

b) –, –

c) –, the

d) the, –

5) Did you go to the dentist _______?

a) last Monday

b) tomorrow

c) now

d) next week

6) It is very useful to know _______German language.

a) a

b) –

c) the

d) an

7) The book __________ by an unknown author.

a) write

b) was written

c) was wrote

d) was writed

8) These are the plants, ______ we have grown in our garden.

a) which

b) who

c) what

d) whom

9) _____Seychelles are a group of islands in _____ Indian Ocean.

a) –, –

b) the, the

c) the, –

d) –, an

10) The ______class passed the exam, they_______ all the answers.

a) whole, new

b) hole, knew

c) whole, knew

d) hole, new

11) _____ France and ______Britain are separated by _____ Channel.

a) –, –, –

b) the, the, the

c) –, –, the

d) the, –, –

12) _____ Everest was first climbed in 1953.

a) the

b) –

c) an

d) a

13) I believe, ________Italians are hard-working and optimistic.

a) the

b) –

c) a

d) an

14) English _______ in many countries all over the world.

a) are spoke

b) is speak

c) is spoken

d) is speaked

15) ________large was your birthday cake?

a) How

b) Who

c) What

d) Why

16) The Dutch live in __________ (as a rule).

a) Holland

b) Germany

c) Denmark

d) Danish

17) All these devices were invented ____ a very young specialist.

a) from

b) with

c) by

d) on

18) Detroit is renowned for the ___ of cars.

a) producting

b) production

c) product

d) productioning

19) If you make a good ___ at the interview, you will get the job.

a) impression

b) impress

c) impressive

d) impressing

20) My history teacher has a vast ___ of past events.

a) know

b) knowledge

c) knowing

d) knowance
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