(1)GMm/R^2 = mV1^2/R,GMm/R^2 = mg
由两式解得V1 = √gR
(2)GMm/R^2 = m(2pi/T1)^2*R,GMm/(R+h)^2 = m(2pi/T)^2*(R+h)
由两式解得T=T1^2*(R+h)^3/R^3
其中T1=365天
(1)GMm/R^2 = mV1^2/R,GMm/R^2 = mg
由两式解得V1 = √gR
(2)GMm/R^2 = m(2pi/T1)^2*R,GMm/(R+h)^2 = m(2pi/T)^2*(R+h)
由两式解得T=T1^2*(R+h)^3/R^3
其中T1=365天