Предмет: Физика, автор: viktoriia332

ФИЗИКА, 7 КЛАСС СРОЧНО!!! найдите среднюю скорость​

Приложения:

Ответы

Автор ответа: Mamedov12
1

Дано:

u1 = 10м/с

t1= 6с

u2= 30м/с

t2= 2с

Найти : Uср

Решение:

1) Uср = (S1+S2)/(t1+t2)

S1=U1×t1 = 10м/с × 6с = 60м

S2=U2×t2= 30м/с × 2с = 60м

Uср = (60+60)/(6+2) = 15м/с

Ответ : 15м/с

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