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Тело двигалось равнозамедленно и через 8 с остановилось, за 4 с до остановки скорость тела была 8 м/с, весь путь пройденный телом до остановки составил:
1)8,0 м 4)32 м
2)16 м 5)64 м
3)24 м
Ответы 1
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S=V₀t +at²/2Ускорение: a=(0-8)/4=-2 м/с²Скорость : V₀ =at+V, V₀=16 м/сВесь путь S= 16*8 -2*8²/2=128-64=64 мОтвет №5 правильный
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Автор:
tank82 - 5 лет назад
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