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 standstnwom8es/ rfmoansm)-, 61q , on an ice floe 100 cm thick. 3 zgl;v9+ *,yufbpzt kWhat is the minimum area k3 fz*y,gt9b; +zvpulof the floe that will just support the bear in saltwater of specific gravity 1.03? The specific gravity of ice is 0.98.
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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