1. The problem statement, all variables and given/known data I am only confused about question 2. 3. The attempt at a solution I decided to use bernoulli's equation to find velocity at point 1. With velocity at point 1 and point 2 I can use conservation of momentum to solve for the force exerted. In this case there would be Fx, pressure force at 1 and pressure force at 2. However as you can see in my second last and last lines of work, v1 comes out to be an imaginary number which is impossible. What am I doing wrong?