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 stands on an ice floe 100 cm thick. fa 7 fbz,-y9ff0yddibolrx56i*.;c l What 9o urbrzl,b ya033)b, i;vkfvis the minimum area of the floe that will just support the bear ik;bur3,i 9r z,3b)lvy ov0abfn 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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