Предмет: Физика, автор: kharlamenkoroman1

Используя график проекции скорости тела (рис.), дайте оценку его начальной скорости и ускорению на участке АВ
ДАЮ 55 БАЛОВ СРОЧНО​

Приложения:

Ответы

Автор ответа: zinovicgrigorij
1

Ответ: б) Vo>0; а<0

Объяснение:

На участке АВ начальная скорость больше, чем в конце. Значит равномерно замедленное движение, ускорение на этом участке отрицательное. Скорость в конце участка равна:

V=Vo-at

Правильный ответ б

б) Vo>0; а<0

Похожие вопросы
Предмет: Математика, автор: linusia03
Предмет: Английский язык, автор: andreevapolina4455


Exercise 12. Choose the correct answer. Write the story in your notebook.

Liz is shopping. She wants to buy (1 — anything / some / any) new clothes. She is going to a New Year party tonight, but she has got (2 — anything / nobody / nothing) to wear. She wants to buy (3 — some / any / something) nice and (4 — no / some / any) new shoes but she can’t find (5 — something / anything / anybody) that she likes. She is also looking for a present. She wants to buy (6 — nothing / anybody / something) special for her friend.

Exercise 13. Complete the dialogue. Use the words from the box.

something, anybody, nobody, somebody

Granny: Tom, Jane, Max! Can __________ (1) help me tidy up? __________ (2) answers. Where are they?

Max: Granny! There’s__________ (3) in this room. Are you talking to yourself?

Granny: No, I’m not talking to myself. I’m asking __________ (4) to help me do __________ (5) about the

Max: OK. Can __________ (6) help Granny about the house? Tom, Jane, where are you? Come here, I want you to help Granny.

Поставьте подходящее местоимение.

Would you like … (some/any/no) milk?
You can leave at … (some/any/no) time.
Could you give me … (some/any/no) help, please?
We must buy … (some/any/no) vegetables for dinner.
I haven’t got … (some/any/no) eggs for pancakes.
I think … (something/anything) is burning.
… (Somebody/Anybody) told me about his job.
I couldn’t find my umbrella … (somewhere/anywhere/nowhere).
Sorry, I can do … (someone/anyone/nothing) for you.
There was … (something/anything/nobody) to answer the phone in the office.​
Предмет: Геометрия, автор: Nurzhan94