GMm/(R+h)^2=mv^2/(R+h)v=√GM/(R+h)ω=v/(R+h)=√GM/(R+h)^3a=v^2/(R+h)=GM/(R+h)^2GMm/R^2=mgGM=R^2g代入上式得v=√R^2g/(R+h)ω=v/(R+h)=√R^2g/(R+h)^3a=v^2/(R+h)=R^2g/(R+h)^2请你及时采纳.有问题及时...

　　那周期该怎样表示呢

　　T=2π(R+h)/V,把上面二个V的表达式代入即可。自己整理一下好吗？平时还是要多练习提高运算速度。