Повторение 12.12
Quiz
•
Physics
•
9th - 12th Grade
•
Practice Problem
•
Medium
Олеся Кабанова
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ускорение при криволинейном движении тел называется:
тангенциальным
нормальным
центростремительным
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какая формула подходит для нахождения центростремительного ускорения?
a = v2/r
a = r2/v
a = v2r
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Величина, которая характеризует изменение скорости за единицу времени, называется:
ускорение
частота
скорость
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Единица измерения линейной скорости:
рад/с
килобайт/с
км/с
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Единица измерения периода:
килобайт
радиан
секунда
6.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Автомобиль движется по закруглению дороги радиусом 20 м с центростремительным ускорением 5 м/с2. Скорость автомобиля равна:
10 м/с
12,5 м/с
4 м/с
7.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Частота вращения двигателя N=3000 об/мин соответствует частоте:
60 Гц
300 Гц
50 Гц
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