Предмет: Физика, автор: good7959

СРОЧНО,ОЧЕНЬ НАДО,ЗАРАНЕЕ ОГРОМНОЕ СПАСИБО .Можно пожалуйста с решением ​

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Автор ответа: Balaen
0
7) V= S/t
25км =25000
1ч 20мин= 80 мин= 480с
V= 25000/480≈52 м/с
8) 15 мин 7 км
15мин= 800с
7000/800≈9 м/с
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