Phy 231
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: ->->->->->->->->->->->-> :
v0=10cm/s
vf=20cm/s
‘ds=45cm
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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: ->->->->->->->->->->->-> :
a=10cn/s^2
‘dt=3seconds
Vf=50cm/s
#$&*
• A ball travels 30 cm along an incline, starting from rest, while accelerating at 20 cm/s^2.
answer/question/discussion: ->->->->->->->->->->->-> :
‘ds=30cm
vO=0cm/s
a=20cm/s^2
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Then for each situation answer the following:
• Is it possible from this information to directly determine vAve?
answer/question/discussion: ->->->->->->->->->->->-> :
in question one simple (vf+v0)/2 would work
in question 2 slove it for vO= vf-a’dt then (vf+v0)/2
in question 3 not directly
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• Is it possible to directly determine `dv?
answer/question/discussion: ->->->->->->->->->->->-> :
in question one simple vf-v0 would work
in question 2 slove it for vO= vf-a’dt then vf-v0
in question 3 not directly
#$&*
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20mins
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6/21 11
&#Your work looks very good. Let me know if you have any questions. &#