Предмет: Физика, автор: 1ASERABEL1

Один вопрос! Дам 35 баллов!!!!
1)Тело, масса которого 5 кг, находится на высоте 13 м над поверхностью земли.
Вычисли его потенциальную энергию относительно поверхности земли.

(Принятьg=9,8Нкг).

Ответ: Eп=
Дж.

Ответы

Автор ответа: AlbertHizriev3
1

Ответ:

Потенциальная энергия тела = mgh , где h - высота тела относительно любого выбранного уровня

Если мы выберем уровень крыши, то тело будет поднято на 9 метров над крышей (13-4)

Тогда потенциальная энергия = 5кг*10н/м*9м=450Дж

Объяснение:

Автор ответа: Ghenya
2

Ответ:

637 дж

Объяснение:

m = 5 кг

h = 13 м

g = 9.8

Еп = mgh = 5*13*9.8 = 637 Дж

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