Предмет: Физика, автор: crent7889

Тіло падає без початкової швидкості впродовж 5 с. визначити швидкість у момент удару об землю та висоту, з якої падало тіло,

Ответы

Автор ответа: zinovicgrigorij

1

Ответ: 125м; 50м/с

Объяснение:

Дано:

t-5c

-----------

V-?; h-?

h=gt²/2=10*5²/2=125м

V=gt=10*5=50м/с

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