Question

噢耶( •̀֊•́ ) ̖́-

想問這一題🙇‍♀️🙇‍♀️🙇‍♀️謝謝～～

24r
8. 如右圖,質量4m的大星體與質量m的星體相距r時,前者靜
止而後者以速度5v沿兩球連線方向離去,若兩星只受重力吸引,
103.欲使兩星不再度拉回,問v的最小值?
4m
m
0
T
5v
Gm
4Gm
Gm
2Gm
4Gm
=
24M
=
=0.
(A)
(A)
(A)
(A)
(A)
25r
257
5r
5r
5r
r
C
E
ㄓ
=55
= 1847m