Asked by random person who probly takes the same class as you

1. Over which interval is the velocity greatest?
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2. Over which interval(s) is the velocity zero?
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4. What is the average velocity in m/s from A to B?
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5. The velocity of an object goes from 4 m/s to 12 m/s in 4s. What is its acceleration?
Answered by bobpursley
without a diagram...
a. if you have a distance vs time graph, the greatest slope is highest velocity.
b. avg velocity= distance from A to B divided by time.

c. acceleration=changeinvelociy=8/4 m/s^2
Answered by random person who probly takes the same class as you
Sorry about the lack of graph, I tried to put it here. but it wouldn't let me :(
For 1, on the graph, the highest point is c:d and it's just a starit line, does that mean the velocity is the greatest?
Please bear with me on this...
Answered by bobpursley
It depends on what is graphed.
Position vs time?
Velociy vs time?

If position vs time, then the slope of any line segment is =velocity.

If velocity vs time, then the highest point is highest velocity.
Answered by random person who probly takes the same class as you
It's distance and time...
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