Предмет: Математика, автор: LauraTalapovaa1776

Яку роботу потрібно виконати, щоб підняти цеглу масою 2 тони, на висоту 6 см

Ответы

Автор ответа: volkvolkovich22

m=2*10³ кг

h=6*10⁻² м

А-?

А=Fh

F=mg

A=mgh

A=2*10⁴*6*10⁻²=12*10² Дж

Автор ответа: bodyaan

Пошаговое объяснение:

Формула роботи: A=Fl

m=2тт=2000кг

l=6см

F=mg=2000кг•10Hlкг=20000Н

А=20000Н•6см=120000 Дж=120кДж

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