Вопрос школьника по предмету Физика
2. Из двух точек А и В, расположенных на расстоянии 80 м друг от друга, одновременно начали движение два тела навстречу друг другу. Первое имело скорость 5 м/с, а второе – 3 м/с. Какой путь пройдет первое тело до встречи?
Ответ учителя по предмету Физика
1) 80:(5+3)= 10секунд — время через которое они встретятся.
2) 5*10=50метров — пройдёт первое тело до встречи.
Ответ:50 метров.
Похожие вопросы от пользователей
plot lyrics romance thriller
talented rich powerful
This singer has got the most … voice I have ever heard!
I love the … of this film. I think I will watch it soon.
Most of celebrities are very … so they donate (жертвовать) money to the needy people.
I don’t want to watch this … at night because I will have nightmares (кошмары).
“Titanic” is the best … I’ve ever watched! But it hasn’t got a happy ending.
Have you listened to the latest album of “Arctic Monkeys” yet? The … are fantastic!
Keanu Reeves is a … actor. His role in “The Matrix” made him famous.
2)Open the brackets.
I prefer classical music because it’s not … (noisy) as rock music.
In my opinion songwriters are … (talented) than singers.
“The Star Wars” is … (successful) film ever!
Madonna is … (famous) than Beyonce.
My brother is … (tall) as me.
Natasha is the … (good) student in the class.
3)Put the verbs into Present Perfect or Past Simple.
… (you / ever / see) “The Lord of the Rings”? It’s the best fantasy ever!
They … (work) together for 20 years, from 1955 to 1975.
I … (not / have) a bicycle last year. My parents are going to present it to me tomorrow.
Anna … (always / want) to visit New York.
I … (watch) science fiction films when I was a child. Now I like watching thrillers.
My uncle has a collection of old cars. He … (already / buy) three fantastic cars.
4)Complete the sentences using always, ago, last, for, since, yet.
I lived in Moscow three years … .
They have been married … fifty years!
We haven’t learned the lyrics of this song … .
I’ve been a fan of Manchester United … 2012.
My sister got married … summer.
I have … dreamt of playing the guitar.
Fill in the blanks with on, off, into, in.
I’m going to turn … . It’s very late!
They used special effects to show how woman turned … a monster.
Don’t turn … the radio! I love this song!
I will turn … the TV as soon as I finish doing my homework.
Помогите пажайлуста
1. ум, ребро, вода, земля, фуражка, плюшка, платок, куст.
2. время, куст, перо, страница, петля, кусок, солнце, роща.
-ек/-ик -чик -ец/-иц -ичк/-ечк -ышк (-ишк)/-ушк (-юшк)
Даю 20 баллов, надо проделать 2 задания