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Точка движется по окружности радиуса R = 0,5 м.
Угол поворота зависит от времени по закону j = 1,5t².
Найти скорость v, нормальное a₁, тангенциальное
at и полное a ускорения точки в момент времени t = 2 с. С пояснениями пожалуйста))-
Предмет:
Физика -
Автор:
alvaropitts - 5 лет назад
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Ответы 1
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А можно подробней расписать, что где и по какому принципу делалось?
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Автор:
first mateue1c - 5 лет назад
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0
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Ex. 2. Read the story. Then, answer the questions.
The Apartment Building
Kim lives on the first floor of this building on Broad Street. It’sa noisy building from 7:00 to 8:00 every morning because everybodyis getting ready for work.
Michael lives alone in the big apartment on the third floor. He’ssingle, and he goes to parties every night, so he wakes up late everymorning. He drives to work at 8:00, but he’s always late and alwaysin a hurry. His feet make noise on the stairs.
Susan and Paul are a young married couple. They live on the secondfloor. They leave at 8:00 a.m., too. Susan is a secretary in asmall office near her apartment. She walks to work and enjoys theexercise. Paul works in a factory about fifteen miles from theirhome. He drives the car.
Kim and Don live on the first floor with their two sons, Jasonand Todd. They have a car, but Don takes the bus to work. His officeis only fifteen-minute bus ride away. Jason and Todd walk toschool together. Kim waves good-bye to them.
At 8:00, everything is quiet. Kim is alone. She has peace andquiet. Now, she can draw and paint. Kim is an artist.
1. Does Michael have a small apartment? 2. Does he stay home atnight? 3. Do Susan and Paul leave at the same time? 4. Does Susanlike to walk to work? 5. Does Paul live near his factory? 6. Do Kimand Don have a car? 7. Does Kim drive the boys to school every day?8. Do the boys leave at 8:00 in the morning? 9. Does Kim work?10. Does she walk to work?-
Предмет:
Английский язык -
Автор:
timothy7xk9 - 5 лет назад
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Ответов:
1 -
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В словах майорить и гайовi сколько букв и сколько звуков?
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Предмет:
Українська мова -
Автор:
naima - 5 лет назад
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Ответов:
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- запишите данные дроби в виде конечных десятичных дробей б)53\1000 ,178\10, 37481/10000
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Задание: переставить 1 спичку так что бы получилось неравенство 1) VII - V = XI 2)IX - V = VI 3) VI - IX = III 4) VIII - III = X
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Предмет:
Информатика -
Автор:
zion46 - 5 лет назад
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Ответов:
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