I put a minecart on a 1 block high lime green wool hill it was at 45 degrees and i went in it I was too low I cannot do a picture because when I tried in F5 mode it took a screenshot of what I was looking at without the minecart in it honest.
Environment
Windows 7, Latest java
I am sorry I did not find the search function I was zoomed in too much.
Sincerely,
LAB