一式:Gm1m2/L^2=m1R1w^2 Gm2/L^2=R1w^2 ( 1
二式:Gm1m2/L^2=m2R2w^2 Gm1/L^2=R2w^2 ( 2
三式:R1+R2=L
(1+(2式[G(m1+m2)/L^2=R1w^2 +R2w^2 =(R1 +R2)w^2=Lw^2
联合三式,得w=中括号里面的数开二次方根… [G(m1+m2)/L^3]
明白了吧
一式:Gm1m2/L^2=m1R1w^2 Gm2/L^2=R1w^2 ( 1
二式:Gm1m2/L^2=m2R2w^2 Gm1/L^2=R2w^2 ( 2
三式:R1+R2=L
(1+(2式[G(m1+m2)/L^2=R1w^2 +R2w^2 =(R1 +R2)w^2=Lw^2
联合三式,得w=中括号里面的数开二次方根… [G(m1+m2)/L^3]
明白了吧