Предмет: Физика, автор: krasovavika99

Обчисліть потенціальну енергію пружини жорсткістю 40 /м, деформація якої становить 4 см. НАПИШИТЕ НА ТЕТРАДКЕ ПЛИЗ

Ответы

Автор ответа: kkityxx13

1

Ответ: 32 мДж

Объяснение:

Дано:

к = 40 Н/м

х=4см = 0,04 м

Еп. -?

Решение:

Еп. = ( kx² )/2 Еп. = (40 * 0,042 )/2 = 0,032 Дж

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