PHY 121
Your 'cq_1_05.1' 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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if vf = v0 + (a*`dt), then 12cm/s + (8cm/s^2 * 3s) = 12cm/s + 24cm/s = 36cm/s vf. vAve = (vf+v0)/2 = (36cm/s + 12cm/s)/2 = (48cm/s)/2 = 24cm/s vAve. Travel = `ds = (vf + v0)/2 *`dt = (48cm/s)/2 * 3s = 24cm/s * 3s = 72cm.
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10 minutes
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you need to insert your solution into a copy of the document. There is some variation in the problems, and without all the information I can't be sure how the problem was stated. However all of your solutions are well-expressed and appear to be correct. Check the link to be sure:
&#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. &#