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Автор - inetvoy123

помогите с задачами номер 3 и номер 4 плиз​

Ответ

Автор - Dinoosaur

Ответ:

3) 20м

4) 9000м

Объяснение:

3) По графику t = 2с, v = 10м/с

S = v × t = 10 × 2 = 20м

4) 1,2км = 1200м

4мин = 240с

0,5ч = 30мин = 1800с

v = S/t = 1200/240 = 5м/с

S = v × t = 5 × 1800 = 9000м

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