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dezoksy [38]
3 years ago
9

Разстоянието между селищата A и B е 410 км.От A за B пътува лека кола със скорост 90km/h, а 1 h по-късно от B за A тръгва камион

, движещ се със скорост, която е 7÷9 от скоросттана леката кола. Намерете след колко време от тръгването на леката кола двете превозни средства ще се срещнат.​
Mathematics
1 answer:
harkovskaia [24]3 years ago
4 0

4,56 км / ч просто разделят ускорението и точката на среща.

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