Предмет: Физика, автор: Radiful

Придумайте три задачи по физике 7 класс на s,t,v

Ответы

Автор ответа: 123981293812

1) Фотон,имея скорость с=3*10^8 м/с пролетел 2017 раз вокруг экватора земли.Найти время полета.R земли=6400 км.Землю считать шаром.
2)Усейн Болт развивает максимальную скорость V=45км/ч.Среднее время T=34c.Найти S.
3)Черепашка проходит 100500км за 20100ч.Найти среднюю скорость черепахи.

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