Движение по окружности(10) Flashcards

1
Q

Длина окружности

A

2πR

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2
Q

Линейная скорость

A

v = 2πR/T = 2πRν

T - период

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3
Q

Угловая скорость по определению

A

ω = 𐤃φ/𐤃t

𐤃φ - угол поворота, [ω] = [рад/с]

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4
Q

Угловая скорость

A

ω = 2π/T = 2πν

[ω] = [рад/с]

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5
Q

Центростремительное ускорение

A

aц=v2/R

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6
Q

Период (от количества кругов и времени на них)

A

T = t/N

t - время, затраченное на движение, N - количество кругов за время t

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7
Q

Частота (от количества кругов и времени на них)

A

ν = N/t

t - время, затраченное на движение, N - количество кругов за время t

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8
Q

Связь периода от частоты

A

T = 1/ν

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9
Q

Связь линейной скорости от угловой

A

v = ωR

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