Предмет: Физика, автор: netnadia

Тіло масою 4 кг кидають вертикально вгору зі швидкістю 540 км/год. Чому дорівнює кінетична енергія тіла в момент кидка?

Ответы

Автор ответа: keshastoporom2007

Ответ:

45000 Дж

Объяснение:

Формула вычисления к.е - добуток квадрата скорости на массу по полам.

Скорость в СИ - 150 м/с

Масса 4 кг

Получаем 150²*4/2 = 22500*4/2 = 45000

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: MissTomiris1

Помогите пожалуйста написать persuasive text about fixing из пяти глав

2 года назад

Предмет: Английский язык, автор: romashka19956

Ex. 130. Fill in the sentences with one of the verb forms given
after each sentence.
1. My mother began to drive cars when she was fifteen. Now she
is eighty, and she still drives. She … cars for sixty years.
A: has been driving B: drives C: drove D: was driving
2. In every culture, people … jewelry since prehistoric times.
A: wear B: wore C: have worn D: had worn
3. It’s hard for many young people to find jobs today. As a result,
many young adults in their twenties and even early thirties
… with their parents.
A: have still lived B: are still living
C: still lived D: were still living
4. Australian koala bears are interesting animals. They … practically
their entire lives in trees without even coming down to
the ground.
A: are spending B: have been spending
C: spent D: spend
5. If you continue to work hard and try your best, I … you. But if
you stop working, I’m through.
A: will help B: am helping
C: help D: have helped
6. It’s raining hard. It … an hour ago and … yet.
A: starts … doesn’t stop B: started …. hasn’t stopped
C: has started … didn’t stop D: was starting … isn’t stopping
7. Nigel’s bags are almost ready for the trip. He … for Syria later
this afternoon.
A: leave B: left C: has left D: is leaving
8. I heard a slight noise, so I walked to the front door to investigate.
I looked down at the floor and saw a piece of paper. Someone
… a note under the door to my apartment.
A: has pushed B: is pushing C: had pushed D: pushed
9. I walked slowly through the market. People … all kinds of
fruits and vegetables. I studied the prices carefully before I decided
what to buy.
A: have sold B: sell C: had sold D: were selling
10. The first advertisement on radio was broadcast in 1922.
Since that time, companies … tens of billions of dollars to advertise
their products on radio and television.
A: are spending B: have spent C: spent D: spend

2 года назад

Предмет: Другие предметы, автор: Мозг452

В классе нужно провести опрос, вот только не знаю на какую тему. ( я в пятом классе)
Напишите 4-5 интересных тем для опроса.

2 года назад

Предмет: Русский язык, автор: susanna8270

Помогите пожалуйста

8 лет назад

Предмет: Информатика, автор: vovabelw

ПОМОГИТЕ ПЖ
Найти наибольший и наименьший элемент массива из 15 значений, заполненных случайным образом из промежутка от 5 до 50

8 лет назад