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.
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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: done
• Sketch a straight line segment between these points.
->->->->->->->->->->->-> answer/question/discussion: done
• What are the rise, run and slope of this segment?
->->->->->->->->->->->-> answer/question/discussion: rise = 40cm/sec– 10cm/sec = 30cm/sec ; run = 9sec – 4sec = 5sec; slope = 30 / 5 = 6 cm
`er11
• What is the area of the graph beneath this segment?
->->->->->->->->->->->-> answer/question/discussion
10 cm/sec * 5 sec = 50 cm
½ * 30 cm/sec * 5 sec = 75 cm
50 + 75 = 125 sec
`er11
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10 min
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Good work except for unit errors. Be sure you understand these.
&#Please compare your solutions with the expanded discussion at the link
Solution
Self-critique your solutions, if this is necessary, according to the usual criteria. Insert any revisions, questions, etc. into a copy of this posted document. Mark any insertions with &&&& so they can be easily identified. &#