Предмет: Математика, автор: Vladgolovko490

Помогите пожалуйста не понимаю
Швидкість точки, яка рухається прямолінійно, задана рівнянням v=2t²-5t+6. В який момент часу прискорення точки буде дорівнювати 2 м/с² ?

Ответы

Автор ответа: vlad7as
2

Відповідь:

1.75с

Покрокове пояснення:

a= v'

a= 4t-5

при a=2

4t-5=2

4t=7

t=7\4=1,75

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