Question with 1,000 views. This badge can be awarded multiple times.
earned this badge 3 times
Why does smoke go out the window of the car - and what if there's wind blowing instead of the car moving?
Awarded jan 15 '14 at 1:38
When driving uphill why can't I reach a velocity that I would have been able to maintain if I started with it?
Awarded oct 30 '13 at 20:18
Awarded feb 21 '13 at 3:02