Предмет: Физика, автор: ataevladimerp6xcyu

помогите срочно!!!
m=12m
d=20m
L=?
p=1,2м Па

Приложения:

Ответы

Автор ответа: Persianka
1

Странно. Все формулы у тебя уже есть. Поскольку условия нормального нет, надеюсь, что они верные.

l=s/d=mg/(Pd)=12*10/(1200000*20)=5* 10^-6 м = 0,005 мм

Только не понятные единицы измерения массы -m Надеюсь, что это кг.

ataevladimerp6xcyu: спасибо
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Film in the gaps with the correct word. Don’t forget to write the verbs in the appropriate verb tense.

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Tom _______________ Mary’s secret yesterday. He was surprised.
_______________ to critics, this film has a really bad rating and isn’t very interesting.
I was stuck in a _______________ all evening. There were too many cars!
Do you _______________ that we will have flying cars in the future? Not really.
Press this _______________ and the screen will turn on.
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Your curiousity can _______________ her not telling you the truth.
When I was younger, my parents gave me _______________ every week if I received good marks.
How many hours a day does the _______________ teenager use a mobile phone?
Litter and cars _______________ pollution in our city.
Did you _______________ of his dog while he was in France? Yes, I did.

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We _______________ lots of pictures when we were in Spain. Look at this one!
When people greet someone they usually _______________ hands.
Those gymnasts _______________ various tricks yesterday.
What a _______________ tune! I really like it!
What are you doing? I’m _______________ the Net. I’m trying to find some information on endangered species.
We were at a funfair yesterday and ate lots of _______________ floss.
The sound _______________ in this film are amazing!

Fill in each gap with a phrasal verb in the correct form.

• Look after
• Look forward
• Look up
• Look for
• Come round
• Come out
• Come back
• Come across


A new film with Brad Pitt _______________ yesterday. Would you like to watch it at the weekend?
I _______________ my phone when mum came home.
I’m _______________ to seeing to next week.
I don’t understand the meaning of this word. Could you please ______ it ______ in the dictionary.
We _______________ some old photos when we were cleaning our apartment.
I’ll _______________ this afternoon and explain the maths homework.
I won’t be able to come to your birthday party. I’m going to _______________ my younger brother.
When are you _______________? On the 23rd of December.

Open the brackets
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Amanda isn’t here. She _______________ (go) to the supermarket.
_______________ (you be) to Rome? No, I haven’t.
Anna usually gets up _______________ (early) than her parents.
Sean drives _______________ (careful) than his brothers.
This is _______________ (bad) movie I have ever seen!
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