本题目来源于试卷: Fluid Mechanics,类别为 美国物理杯赛(Physics Bowl)
[单选题]
15.30: A spring scale rea h(/gr,1pgxzbds 2.50N when a smb t2nyc*69f :t m:kosvall solid mass hangs from it in air. The spring scale reads 1.58N when the mass at the end of the sprinkyt*o 9tmn2 :svb c6:fg is completely submerged in a container of water. Which one of the following choices best represents the density of the solid mass(unit: $kg/m^{3}$)?
A. $3.68 ×10^{3}$
B. $2.72 ×10^{3}$
C. $1.58 ×10^{3}$
D. $9.20 ×10^{2}$
E. .$1.58 ×10^{2}$
参考答案: B
本题详细解析:
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