"I fail to see the problem. We are both factoring out gravity. Without the force of gravity the water travels in a straight line." [excerpt, bold emphasis mine]
LOL I actually like taking those tests : ) Do you have a favorite in mind or do you want to administer the test? Not all tests are created equal.
I almost didn't make it into Densa because I used my real name. That was a tough one.
Seriously though, have I ever bragged about my IQ? I don't think so, in fact after these series of discussions I bet I would be lucky to break 70, hardly mensa material.