Question

Question #85389

Answer 1

Mass/volume continuity, and symmetry, demand that:

`v_1 A_1 = v_2 A_2 = 0.012`

`implies v_2 = (A_1 v_1)/A_2 = 0.012/A_2`

`implies v_2 = (0.012)/(pi (2.2*10^(-2))^2/4) approx 31.6 "m/s"`