Определить радиус закругления дороги, если при равномерном движении по ней со скоростью 70 км/ч автомобиль делает ускорение 4 м/с2.
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24.06.2019 02:30
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1
а=V^2/r
r=V^2/a
r=(19.44)^2/4=94,5м
ответ:Радиус дороги-94.5 метров