這個(gè)算是物理題把.
m1=0.4kg,m2=0.9kg,m3=0.8kg
m4=m2-m1=0.9-0.4=0.5kg
水的密度是1.0*1000kg/m3
V=0.5kg/1.0*1000kg/m3=0.5*(-1000)m3
m5=m3-m1=0.8-0.4=0.4kg
液體密度=0.4kg/0.5*(-1000)m3=0.8*1000kg/m3
這種液體應(yīng)該是酒精
A physical problem
A physical problem
1有一質(zhì)量0.4kg的水壺,裝滿水后總質(zhì)量為0.9kg,裝滿另外一種液體時(shí)總質(zhì)量為0.8kg,則這種液體的密度是多少?
1有一質(zhì)量0.4kg的水壺,裝滿水后總質(zhì)量為0.9kg,裝滿另外一種液體時(shí)總質(zhì)量為0.8kg,則這種液體的密度是多少?
物理人氣：803 ℃時(shí)間：2020-06-18 05:48:42
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