T=2pi*can(l/g)<=>86400=2pi*can(l/10)=>l=18908964.58T'=2pi*(l'/g)86402=2pi*can(l'/10)=>l'=18909840=>denta l=875.4239326=>%denta l=0.00463%=>do tang nhiet do=0.00463%/0.001%=4.63 do C=>24.63 do Cchi dung trac nghiem
T=2pi*can(l/g)<=>86400=2pi*can(l/10)=>l=18908964.58T'=2pi*can(l'/g)86402=2pi*can(l'/10)=>l'=18909840=>denta l=875.4239326=>%denta l=0.00463%=>do tang nhiet do=0.00463%/0.001%=4.63 do C=>24.63 do Cchi dung trac nghiemcon tinh thuong 1=2pi*can(l/10)86402/86400=2pi*can(l'/10)cung ra mot ket qua