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, two spherical ballofc)7ze (dud5;zmjs uhso268o o9s,u*su at* s4fke6my ns are expanded to have the same radius. Balloon #1 is filled with helium gas while balloon #2 is filled with xenon gas. Which one of the following statements about9 esa*46ks u, msyfu*t 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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