So, Jimmy believes that the green car is going faster because to the eye the green car looks as though it covered more ground at a faster pace, however, both the blue and the pink car were going faster. This is due to the fact that the blue and the pink car accelerate faster and actually get to their constant pace faster than the green car. While the green car covers more ground, he is actually slower in getting there then both the pink and blue cars. I agree with Brutus.
The graphs stop at seventeen seconds or so they appear to. What actually happened though is that the cars have reached a constant velocity. This graph is a velocity vs. time graph meaning that straight horizontal lines only add up to a constant velocity, not a stopping point. Had the graph been a position vs. time graph it would have been a stopping point.
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Hi Gabby!
ReplyDeleteGood work! Answer these quick questions to confirm your understanding please:
What do you know about the area between the line and the horizontal axis in a velocity versus time graph?
Which car has the greatest change in position from 3-5 seconds?
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