Предмет: Математика, автор: lavrus123321

зависимость пути от времени при прямолинейном движении задана уравнением s(t) =2/3*x^3-x^2+3x-1 вычислите скорость и ускорение в момент времени t=3c

Ответы

Автор ответа: Аноним

$v(t)=s'(t)=2x^2-2x+3\\v(3)=15\\\\a(t)=v'(t)=s''(t)=4x-2\\a(3)=10$

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