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phys 201
Your 'cq_1_06.1' 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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For each situation state which of the five quantities v0, vf, `ds, `dt and a are given, and give the value of each.
• A ball accelerates uniformly from 10 cm/s to 20 cm/s while traveling 45 cm.
answer/question/discussion: ->->->->->->->->->->->-> :
10 cm/s is v0, 20 cm/s is vf, and 45 cm is ‘ds
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• A ball accelerates uniformly at 10 cm/s^2 for 3 seconds, and at the end of this interval is moving at 50 cm/s.
answer/question/discussion: ->->->->->->->->->->->-> :
10 cm/s/s is acceleration, 3 seconds is ‘dt, 50 cm/s is vf
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• A ball travels 30 cm along an incline, starting from rest, while accelerating at 20 cm/s^2.
answer/question/discussion: ->->->->->->->->->->->-> :
30 cm is ‘ds, starting from rest is v0, and 20cm/s/s is acceleration
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Then for each situation answer the following:
• Is it possible from this information to directly determine vAve?
answer/question/discussion: ->->->->->->->->->->->-> :
the first question you can because you have initial and final velocity
the 2nd question you can because you can determine initial velocity by subtracting 50 cm/s - the 30 cm/s you get from 10cm/s/s in 3 seconds.
The 3rd question you cannot because there is no final velocity
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• Is it possible to directly determine `dv?
The first question the ‘dv is 10 cm/s
The 2nd question the ‘dv is 20 cm/s
The 3rd question you cannot
answer/question/discussion: ->->->->->->->->->->->-> :
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15 min
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#$&* self-critique
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No revision is necessary but check the discussion at the link:
&#See any notes I might have inserted into your document, and before looking at the link below see if you can modify your solutions. If there are no notes, this does not mean that your solution is completely correct.
Then please compare your old and new 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.If your solution is completely consistent with the given solution, you need do nothing further with this problem. &#
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