.Gravity.. (id: bb60458b0)

本题目来源于试卷: .Gravity..，类别为 美国物理杯赛(Physics Bowl)

[单选题]
17.48: In the binary star syss z+s 37 od-wp rjt0kne,*3iqztem shown, the two starl 6m r.9n /dltm)oh.jsfo,qc+s follow circular orbits about the system’s center of /onf..o ,l+sm rdq9j6lmh tc)mass. The stars are separated by a distance D that is large compared to their size and are subject only to their mutual gravitational attraction. The orbital period of the star of mass M is T. Which one of the following choices represents the total mass of the binary star system?

A. $\frac{π^{2}D^{3}}{5GT^{2}}$
B. $\frac{4π^{2}D^{3}}{5GT^{2}}$
C. $\frac{4π^{2}D^{3}}{GT^{2}}$
D. $\frac{16π^{2}D^{3}}{5GT^{2}}$
E. $\frac{25π^{2}D^{3}}{4GT^{2}}$


参考答案:  C


本题详细解析: 暂无

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