Answer: "a stationary front" .
___________________________________
The answer of this question is 0.6m/s
Zero acceleration means the object's velocity is not changing.
So the object is moving in a straight line, at a constant speed
that could be anything (including zero) as long as it's constant.
20 degrees F! 0 degrees C is equivalent to 32 degrees F, so 20 degrees F is colder.