Предмет: Физика, автор: RJay1

Брусок, масса которого 21,6г имеет размеры 4×2,5×0.8см.Определить,из какого вещества он сделан.

Ответы

Автор ответа: vladimir911

Сначала найдем объем 4*2,5*0,8=8см^3=8*10^-6м^3
плотность=масса/объем
p=0.0216кг/8*10^-6м^3=0,1728*10^-6м^3
по таблице это газ аргон

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