Предмет: Физика, автор: barlaanya1702

Задача 5. Охарактеризувати рух потяга за поданим графіком руху: Скільки часу рухався потяг? Скільки часу він стояв? 2. Яку швидкість мав на різних ділянках шляху? ​

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Ответы

Автор ответа: lvv9136
1

Ответ:

Объяснение:

1. t=t₁+t₂=1+7-3=5 ч

2. 0<t₁<1 ч; υ₁=ΔL/Δt=20/1=20 kм/ч;

3 ч <t₂<7 ч; υ₂=(40-20)/(7-3)=5 kм/ч

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