We measured acceleration by timing the car and then using x=v0*t+(1/2)a*t2, which, because v0=0, simplifies to x=(1/2)a*t2. Thus, a=2x/t2.
I figured the unaccounted frictions/masses were causing the problem, but it was odd how close the calculated acceleration was to half of my theoretical.
Homework Statement
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This is not a typical homework problem, so I hope I am posting this in the correct place. I am in 12th grade physics and we are dealing with basic kinematics. However, we recently did a set of problems that I did in a way which makes sense and which our textbook (and the...