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Phy 201
Your 'cq_1_04.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
** CQ_1_04.1_labelMessages **
The problem:
A ball is moving at 10 cm/s when clock time is 4 seconds, and at 40 cm/s when clock time is 9 seconds.
Sketch a v vs. t graph and represent these two events by the points (4 sec, 10 cm/s) and (9 s, 40 cm/s).
answer/question/discussion: ->->->->->->->->->->->-> (start in the next line):
A graph is made with velocity on the vertical axis and clocktime on the horizontal axis. This making the run change in velocity and rise change in clocktime.
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Sketch a straight line segment between these points.
answer/question/discussion: ->->->->->->->->->->->-> (start in the next line):
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What are the rise, run and slope of this segment?
answer/question/discussion: ->->->->->->->->->->->-> (start in the next line):
Rise=30 cm/s
Run=5 sec
Slope= 6 cm/s/s
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What is the area of the graph beneath this segment?
answer/question/discussion: ->->->->->->->->->->->-> (start in the next line):
A= (10cm/s+40cm/s)/2 * 5 sec
A=125
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Good, but 25 cm/s * 5 s = 125 cm, not 125.
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Your work looks good. See my notes. Let me know if you have any questions.