Предмет: Физика, автор: permeshovaz

t-?
Задача № 2. При подходе к станции
поезд начал торможение с ускорением
0,1 м/с², имея начальную скорость 90
км/ч. Определите тормозной путь
поезда, если торможение длилось 1
мин.

Ответы

Автор ответа: nikolaygr

Відповідь:

a=0,1м/с²

v=90км/ч=25м/с

t=1мин=60с

s-?

s=v*t-a*t²/2=25*60-0,1*60²/2=1500-180=1320м

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