Предмет: Физика, автор: Аноним

помогите пожалуйста если не трудно ​

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Автор ответа: karbyrator
1

Ответ:

Объяснение: 1) x=-1+15*4=59 м

2) 20=-1+15t

t=1.4 с

3) x=-1+15*6=89м

4) 50=-1+15t

t=3.4 с

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