#$&*
PHY 121
Your 'cq_1_06.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
** **
For each situation state which of the five quantities v0, vf, `ds, `dt and a are given, and give the value of each.
A ball accelerates uniformly from 10 cm/s to 20 cm/s while traveling 45 cm.
answer/question/discussion: ->->->->->->->->->->->-> :
Given: v0=10cm/s
vf=20cm/s
'ds=45cm
#$&*
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-Ave=10cm/s^2
'dt=3sec
vf=50cm/s
#$&*
A ball travels 30 cm along an incline, starting from rest, while accelerating at 20 cm/s^2.
answer/question/discussion: ->->->->->->->->->->->-> :
'ds=30cm
a_Ave=20cm/s^2
v0=0
#$&*
Then for each situation answer the following:
Is it possible from this information to directly determine vAve?
answer/question/discussion: ->->->->->->->->->->->-> :
Yes for situation 1. No for situation 2 and 3.
#$&*
Is it possible to directly determine `dv?
answer/question/discussion: ->->->->->->->->->->->-> :
Yes, for one and two but not for the last one.
#$&*
** **
&#Good responses. Let me know if you have questions. &#