Предмет: Алгебра, автор: klimenkol21

Помогите решить задачу:
Материальная точка движется по прямой согласно закону движения s(t)= t³/9 - 2t²+40t + 50. Пусть t измеряется в секундах, а s- в метрах. Найти мгновенную скорость в момент времени t₀ .

Ответы

Автор ответа: natali15medved

Найдем производную функции S(t), это и будет скорость движения V(t)=3t²\9-4t+40 (м\с)

Мгновенная скорость будет при t=0

Vмг=40 м\с

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