A velocity vs. time graph for an object is shown. Which parts of the graph represents the object moving
at a constant, positive acceleration?
Velocity vs Time
O W and X
25
20
Y
O X and Y
O Y and Z
O W and Z
Х
15
Velocity (m/s)
10
Z
w
5
0
0
1
2
4
5
3
Time (s)

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Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

Which substance partical has negligible massand travels around outsidethe nucleus