甲GMm/(3R+R)^2=mV^2/(3R+R)
乙GM×2m/(R+R)^2=2mv^2/(R+R)
所以V比v=根号2 比2.
甲GMm/(3R+R)^2=mA
乙GM×2m/(R+R)^2=2ma
所以A比a=1比4.
甲GMm/(3R+R)^2=F
乙GM×2m/(R+R)^2=f
所以F比f=1比8.
甲GMm/(3R+R)^2=mV^2/(3R+R)
乙GM×2m/(R+R)^2=2mv^2/(R+R)
所以V比v=根号2 比2.
甲GMm/(3R+R)^2=mA
乙GM×2m/(R+R)^2=2ma
所以A比a=1比4.
甲GMm/(3R+R)^2=F
乙GM×2m/(R+R)^2=f
所以F比f=1比8.