Предмет: Физика, автор: gaynaliyd

При 0 °C довжина алюмінієвого дроту була 2000 м. Визначте довжину
дроту при 200 °С.​

Ответы

Автор ответа: psv19062007
12

Объяснение:

Дано:

L₀ = 2000 м

t₀ = 0⁰C

t = 200⁰C

α = 0,000026 K⁻¹ - температурный коэффициент расширения алюминия

_______________

L - ?

По формуле:

L = L₀·(1+α·Δt)

имеем

L = 2000·(1+0,000026·200) ≈ 2010 м

Автор ответа: Varvarakorean
3

Ответ: Дано:

L₀ = 2000 м

t₀ = 0⁰C

t = 200⁰C

α = 0,000026 K⁻¹    -   температурный коэффициент расширения алюминия

_______________

L - ?

По формуле:

L = L₀·(1+α·Δt)

имеем

L = 2000·(1+0,000026·200) ≈ 2010 м

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