※ 引述《super14 (廢物)》之銘言:
: 2.第二題中比重怎麼推都推不出2.58
: 想請教如何算?
: https://i.imgur.com/o3XOYea.jpg
: 想請教版上神人 因實在想不出來故發問請教
Ww/Ws = 0.25
假設總體積 V = 1 cm3
總重 W = 1.96 g
Ww+Ws = 1.96
Ww = 0.392 g
Ws = 1.568 g
Vw = 0.392 cm3
Vs = 0.608 cm3
Gs = Ws / Vs / rw = 1.568 / 0.608 / 1 = 2.5789