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lecture_04

# lecture_04 - A train moves along a straight Posi%on track...

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Posi%on’ Time’ Which’graph’below’represents’the’ correct’velocity’versus’%me’graph?’ A train moves along a straight track. v v v v

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Posi%on’ Time’ Which’graph’below’represents’the’ correct’velocity’versus’%me’graph?’ A train moves along a straight track. Only’three’constant’slopes’(veloci%es):’ ’ posi%ve,’ zero, ’nega%ve v v v v
A train moves along a straight track. This graph shows that the train… A) Speeds up all the time B) Slow down all the time C) Speeds up part of the time, and slows down others D) Moves at a constant velocity E) Other/not really so sure/…?

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Announcements [email protected]’HW’#1’ due’this’Friday±’4’PM’in’box’(Help’room)’ CAPA’#2 ’next’Tues’ Reading:’ Ch’2.5-2.8’for’Friday’ Print’ Recita%on’Assignment’ for’your’Sec%on’this’week’ 4’
Which velocity vs. time graph best matches this position vs time graph?

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Which’mo%on’has’constantly’changing’velocity?’ E)’None’of’these,’or’MORE’THAN’ONE’of’them!’ x’ t’ A B C D
Which’mo%on’has’constant’nega%ve’velocity?’ E)’None’of’these,’or’MORE’THAN’ONE’of’them!’ x’ t’ A B C D

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