Sagot :
Cevap:
E Şıkkı
Açıklama:
Kabın kütlesine mk, hacmine Vk diyelim,
mk+msu=300
mk+msıvı=200 (-1) ile çarparsak
--------------------
msu-msıvı=100 olur
dsu.Vk-Vk.dsıvı=100
Vk.(dsu-dsıvı)=100
Vk(1-0,6)=100
Vk= 100/(4/10) =100.10/4= 250 cm^3
mk+msu=300 idi. O halde,
mk+ 1.250 =300
mk=300-250 = 50 gr olur.
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