Предмет: Математика, автор: Irinian70

Решите пожалуйста, Срочноо! (даю 20 бл)

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Ответы

Автор ответа: AndyCale

1

U(Ск сближения) = 1.4 * 63.5 - 63.5 = 0.4 *63.5 = 25.4

S = t*U = 25.4 * 0.9 = 22.86 км

Ответ: 22.86 км

Автор ответа: Edward2121

0

Пошаговое объяснение:

1-Авто.

2-Груз.

v₁=1.4v₂=1.4*63.5=88.9 km/h

v₁>v₂

$\frac{S}{v1-v2}=t\\ S=t(v1-v2)$

S=0.9(88.9-65)=25.4*0.9=22.86 km

ОТВЕТ : S=22.86km

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