%%

Gaokao Physics Practice Question

2. (6 分) 若一均匀球形星体的密度为 $\rho$, 引力常量为 $\mathrm{G}$, 则在该星体表面附近沿圆轨道绕 其运动的卫星的周期是()

  1. A.$\sqrt{\frac{3 \pi}{6 \rho}}$
  2. B.$\sqrt{\frac{4 \pi}{G \rho}}$
  3. C.$\sqrt{\frac{1}{3 \pi G \rho}}$
  4. D.$\sqrt{\frac{1}{4 \pi G \rho}}$

Want to know if you got it right?

Answer this and thousands more real Gaokao previous-year questions free, get graded instantly, and climb the global ranked leaderboard.

Practice Gaokao free →

More Gaokao Physics questions