(GMm)/[(Ro+h)(Ro+h)]=mv*v/(Ro+h)
GM=gRo*Ro
Ro=h
v*v=gRo*Ro/(Ro+h)=gRo/2
v=5600m/s
能量守恒E=mv*v/2+mgh=5Fh
F=120533+1/3(g=10)
120213+1/3(g=9.8)
(GMm)/[(Ro+h)(Ro+h)]=mv*v/(Ro+h)
GM=gRo*Ro
Ro=h
v*v=gRo*Ro/(Ro+h)=gRo/2
v=5600m/s
能量守恒E=mv*v/2+mgh=5Fh
F=120533+1/3(g=10)
120213+1/3(g=9.8)