Sun 6 Dec, 2015 10:30 pm - Thanks, all, for the replies and for the links.
I would like to attack the problem in reverse, to ask the question from a different perspective.
This revised problem already knows the... (view)
Fri 4 Dec, 2015 03:41 pm - Thanks for you reply.
I figure that my time measurement is significantly off, even though I did a number of trials timing another event (another digital clock) and I was off less than .1... (view)
Thu 3 Dec, 2015 06:54 pm - I rolled a golf ball down a ramp using a yard stick, and I measured the time (.9 seconds), the angle (27 degrees),
yet my acceleration of gravity calculation was off by a factor of 2.
Since it... (view)
