S=Vot+at^2/2; S=at^2/2; 2S=at^2; t^2=2S/a; t=√(2S/a)=√(200/0,5)=√400=20 c - это ответ.
MikhailovnaAnastasiya
17.09.2021
Дано: S=100м;a=0,5м/с^2;V0=0м/с; Найти: tРешение:Одна из формул прямолинейного движения:S=Vot+(at^2)/2; 100=0 * t + (0,5 * t^2)/2; 100=0,25 * (t^2);400=t^2t=20с;
Валентина980
17.09.2021
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boykovandrew6663
17.09.2021
Pushkin's poems, the girl's voice, the new workers' club, the pete's letter, my parents' car, the woman's life, the women's handbags, my sister's flat is large, my brother's children are at home, the boys' room is large, this girl's name is jane, the students' work is interesting.
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За какое время автомобиль, двигаясь из состояния покоя с ускорением 0, 5 м/с2, пройдет путь 100 м? напишите кроме решения дано и найти.
S=Vot+at^2/2; S=at^2/2; 2S=at^2; t^2=2S/a;
t=√(2S/a)=√(200/0,5)=√400=20 c - это ответ.