(0.025*10/0.1+0.5)(v^2/2/10)=2
v = 3.65m米/秒
q = VA = 3.65 * 0.25 * 3.14 * 0.1 * 0.1 = 0.029 m3/s
(2)h1=(λ(l/d)+s1+s2)(v^2/2g)
=(0.025*10/0.1+0.5+1)*(6.3^2/2/10)
= 2.67米
h = 2+2.67 = 4.67米