tolong bantu kak (soal remidi) please ya kak soalnya besok dikumpulin

31. [tex]F_{angkat}=\frac{1}{2}\rho A(v_2^2-v_2^2) [/tex]
×[tex]v_2= \sqrt{ \frac{2.1100000}{1.80} +250^2} = \sqrt{90000} =300 m/s[/tex][tex]v_2= \sqrt{ \frac{2F}{\rho A}-v_1^2 } [/tex]