Предмет: Физика, автор: яхз1

определите ммасу рулона албминевой фольги толщиной 0,15мм. Если размотать рулон,то получим ленту размером 0,2м×15м

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Автор ответа: artem396

0

V = 0,00015м * 0,2м * 15м = 0,00045 м³
m = p*v
m = 0,00045 * 2700 = 1,215 кг

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