Fundamentals of Fluid Mechanics Questions and Answers  




I mentioned in class the difficulty to this problem is to get the correct direction of the reflected snow velocity vector. Your equations for the force show that you're not doing it correctly. Focus on finding correctly the reflected snow velocity direction.




Problem 2 of which assignment?




You should work out the problem on your own first without looking at the answers, and then check if some of your answers match those listed.




Better to work more on it and treat it as an assignment problem. A sin instead of a cos sounds like a big difference to me. Find ways to check your solution and come on this thread and discuss about why you think your answer is correct or incorrect.



$\pi$ 