Hey there, thanks for your reply. Apparently it looks like I'm going to need to see the problem worked out. I have struggled with this, trying to use T, R, and Y(max) formulas and just don't see how to get to the answers as the author has.
The problem is from the MIT Open CourseWare Calculus eBook by Strang. Chapter 12.2, #3:
A ball is thrown at 60 degrees with initial velocity of 20m/sec to clear a wall 2m high. How far away is the wall?
Finding flight time T, range R, and max height Y(max) is the easy part. How do I find...