Предмет: Физика, автор: Камилушка

определите силу,под действием которой тело массой 500г движется с ускорением 2м/с²

Ответы

Автор ответа: русская25

Дано:
m = 500 г = 0,5 кг
а= 2 мc^2

Найти:
F=?

Решение:
При решении данной задачи воспользуемся вторым законом Ньютона:

$F = m*a$

F = 0,5 кг * 2 мс^2 = 1 H

Ответ: 1 Н.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: География, автор: ludabond2008

В каком климатическом поясе находится Бобо Діуласо?

7 лет назад

Предмет: Английский язык, автор: criticalops58

5 КЛАСС СРОЧНО ПОМОГИТЕ!
тестовые задания
A) CHOOSE THE CORRECT ANSWER
(75 points)

1) I ……... 25 years old.
a) have b) am c) has d) is
2) My name ……... Robert.
a) are b) called c) is d) says
3) “Are you busy?” – “Yes, …….. .”
a) I’ve b) I have c) I’m d) I am
4) We’re students. That’s ……... classroom.
a) us b) our c) is d) the we
5) “What are those?” – “…….. my pens.”
a) They is b) They’re c) Those d) It’s
6) What are ……... names?
a) they b) them c) their d) they’re
7) There are 60 minutes in ……... hour.
a) much b) a c) some d) an
8) There are ……... apples in that bag.
a) any b) some c) a d) an
9) I’ve got ……... free time this afternoon.
a) lots of b) any c) a lot d) a
10) I saw two ……... at the bus stop.
a) mans b) man c) mens d) men
11) These days, a lot of ……... live in cities.
a) people b) man c) person d) we
12) ……... Linda got a nice house?
a) Do b) Has c) Have d) Does
13) “Hello! How are you?” – “……... .”
a) I'm fine b) I'm very
c) I’m very fine d) Thanks
14) There’s a nice picture ……... the wall.
a) in b) on c) from d) at
15) I'm ……... very hard at the moment.
a) working b) work c) works d) worker
16) We’re in the canteen. We ……... lunch.
a) has b) have c) eating d) ’re having
17) They ……... like golf.
a) not b) don’t c) no d) aren't
18) He ……... know the answer.
a) don't b) not c) no d) doesn't
19) Where do you ……... ?
a) lived b) live c) lives d) living
20) “Where’s Sam?” – “He’s ……... .”
a) in home b) in the home
c) his home d) at home
21) They’re talking ……... the football match.
a) on b) for c) about d) from
22) I’m always tired ……... the morning ……...
Saturdays.
a) in / at b) in / on
c) on / at d) at / in
23) A: Were you in bed ……... Sunday
afternoon?
B: Oh, no. I only sleep ……... night.
a) in / in b) in / on
c) on / in d) on / at
24) Please ……... careful!
a) be b) you c) do d) you be
25) Don't ……... !
a) late b) you late
c) be late d) late you
26) My ……... name is Peter.
a) father’s b) father is
c) of father d) father
27) The ……... names are Fred and Tom.
a) boy is b) boys’
c) boy’s d) boys
28) ……... phone is this?
a) Who's b) Who
c) Whose d) Who is
29) I ……... drink this tea. It’s too hot.
a) don’t b) can’t
c) haven’t d) ’m not
30) A: Can you help me?
B: …….. . I’m very busy.
a) Sorry, I can’t. b) Sorry, can’t I.
c) Yes, I can. d) No can.
31) ……... I see the menu, please?
a) May b) Am c) Do d) Have
32) Look at those black clouds! ……... rain.
a) There’s going to b) It going to
c) Rain is going to d) It’s going to
33) When ……... have a test?
a) is going to b) are going to
c) are we going to d) we are going to
34) ………… that film last night?
a) Did you saw b) Did you see
c) Do you see d) Have you see
35) The author ……... a fantastic book.
a) wrote b) write c) writing d) written
36) Who ……... this window?
a) breaking b) broke
c) breaked d) broked
37) It started raining ……... .
a) an hour ago b) last hour
c) ago one hour d) a hour before
38) I watched TV ……... .
a) last night b) last evening
c) yesterday in evening d) the last evening
39) My suitcase is heavy but yours is ……... .
a) much heavy b) heavyer
c) heavy d) heavier
40) All the suitcases are heavy, but this big
one is ……... .
a) heavier b) very heavyest
c) the heaviest d) the heavyer
41) She dances very ……... .
a) good b) well c) nice d) goodly
42) The children are playing ……... .
a) good b) happyly
c) happily d) happy
43) A: Is this Ayşe’s phone?
B: No, it isn’t …….... . It’s Arzu’s.
a) hers b) his one
c) the her d) she phone
44) We haven’t got any apples …….. oranges.
a) and b) but c) an d) or
45) There’s some water, …….. there isn’t any
orange juice.
a) and b) or c) but d) no
46) A: Where’s Tim?
B: I don’t know. I ……... him.
a) didn’t saw b) haven’t see
c) haven’t seen d) didn’t seen
47) ……... your homework yet?
a) Have you do b) Have you done
c) Did you d) Did you done
48) She ……... out in the evening.
a) is go often b) goes often
c) often goes d) is often go
49) A: How ……... do you go swimming?
B: ……... a week.
a) much / often b) often / twice
c) many / so d) often / five
50) Tom has got …….. house.
a) nice big b) a nice big
c) big a nice d) a big nice

7 лет назад

Предмет: Окружающий мир, автор: gumiber23

Экология Даю 40 баллов помогите
Выберите виды, занимающие сходные экологические ниши в евразийских и австралийских степях. Заполните таблицу.

7 лет назад

Предмет: Математика, автор: sveta3522

помогите решить задачу 2 класса! в школе четыре вторых класса.каждый класс собрал 20кг старых газет,журналов и коробок.сколько кг старых газет собрали второклассники этой школы,если журналов они собрали 29 кг и столько же кг коробок.?

10 лет назад

Предмет: Геометрия, автор: Romka228

Площадь куруга равна100/п.найдите длину его окружности.

10 лет назад