Предмет: Математика, автор: Ost9502

Тело движется по закону S(t)=1-2t+t^3 найти скорость ускорения через 3 секунды от начала движения

Ответы

Автор ответа: makuzkinap195y6

0

Скорость v(t)=s'(t)=-2+3t^2. V(3)=-2+27=25 м/c.
Ускорение a=v'(t)=s''(t)=6t. a(3)=6·3=18 м/с^2.

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