Предмет: Физика, автор: Fjufjfurjfjruf

1.Велосипедист проїхав 7 км за 30 хвилин. З якою швидкістю рухався ве- лосипедист?

Ответы

Автор ответа: kittweak

6

дано:
v = S : t

S = 7 км

t = 30 мин - 30 мин = 1800 с

v?

v = 7000 : 1800 = км/ч
ответ 3.8 км/ч

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