本题目来源于试卷: Physics Unit10: Fluids Related Topics,类别为 通用国际物理
[单选题]
A polar bear of mass 200 kg standl. qtou9q lpd(vt98 hz++9: m dynw/bjs on an ice floe 10g0z0m : jbm6z.dp;t s1gkq;i (yb c.vf0 cm thick. What is the minimum area of the floe that will just support the bear in saltwater of specific gravity 1.03? The specific gravity of ice is zgfbmc. z. ;i60t :d(sqp0m1bk vjg;y0.98.
A. $1.0 \; m^{2}$
B. $2.0 \; m^{2}$
C. $3.0 \; m^{2}$
D. $4.0 \; m^{2}$
参考答案: D
本题详细解析:
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