本题目来源于试卷: Fluid Mechanics，类别为 美国物理杯赛(Physics Bowl)
[单选题]
16.23: At a party, twoo q i7r-qi4,by spherical b/xwbkz 6ytz3x( q)io)zqe)mso i)).balloons are expanded to have the same radius. Balloon #1 is filled with helium gas while balloon #2 is filled with xenon gas. Which on(3 b)z zqtko))x)i ebmzo siq6 wx/.)ye of the following statements about the buoyant forces on the balloons is correct?
A. The buoyant force is greater for the helium balloon.
B. The buoyant force is greater for the xenon balloon.
C. The buoyant force is the same for each balloon.
D. The balloon experiencing the greater buoyant force cannot be determined without knowing the radius.
E. The balloon experiencing the greater buoyant force cannot be determined without knowing the atmospheric pressure at the time.
参考答案: C
本题详细解析:
暂无
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