Предмет: Физика, автор: vladuka35

Тіло рухається по колу з постійною по модулю швидкістю. Як зміниться доцентрове прискорення тіла при збільшенні швидкості у 2 рази, якщо радіус кола залишиться незмінним?

срочно!!!

Ответы

Автор ответа: elena20092

Ответ:

Центростремительное ускорение увеличится в 4 раза

Объяснение:

v₂ = 2v₁

R₁ = R₂ = R

а₂/а₁ - ?

-------------------

Центростремительное ускорение при заданной скорости v₁

а₁ = v₁²/R

Центростремительное ускорение при увеличенной скорости v₂ = 2v₁

а₂ = v₂²/R

а₂ = 4v₁²/R

а₂ = 4 a₁

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