I think it's mass...
The mass of an object refers to the amount of matter that is contained by the object; the weight of an object is the force of gravity acting upon that object. Mass is related to how much stuff is there and weight is related to the pull of the Earth (or any other planet) upon that stuff.
Answer:
8.33 meters/sec.
Explanation:
distance = 250 meters
time = 30 sec.
velocity = distance / time
= 250 meters
30 sec.
= 8.33 meters/sec.
I can see that they are running away like my dad did
Answer:
if a car is increasing it's acceleration uniformly in a unit time, the graph will be moving away from it's origin. that's how you get this kind of graph.