Physics 101 Problems, need help

I came across a neat video, via Jennifer Ouellette, where a couple of MIT students re-enact a classic physics textbook problem. It’s a problem that I first heard over a decade ago, when I was in high school, and is one of the few physics 101 problems to have earned the distinction of its own .

Steps to solve Physics 101 problems

5 Great Unsolved Problems in Physics

the absence of a constant, you can disregard wind resistance (not really — but so go physics 101 problems)