16
G
ETTING
S
TARTED WITH THE
CBR 2™
S
ONIC
M
OTION
D
ETECTOR
©
1997,
2004,
2006
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
Activity 2—Match the Graph
(cont.)
Linear
Ï
Position yourself where you think the graph begins. Select Start (press
p
) to begin
data collection. You can hear a clicking sound and see the green light as the data is
collected.
Ð
Walk backward and forward, and try to match the graph. Your position is plotted on the
screen.
Ñ
When the sample is finished, examine how well your “walk” matched the graph, and
then
answer question 3
.
Ò
Select Retry (press
q
) to redisplay the same graph to match. Try to improve your
walking technique, and then
answer questions 4, 5, and 6.
Explorations
In Distance Match, all graphs are comprised of three straight-line segments.
Ê
Select
New
(press
p
) to display a new graph to match. Study the first segment
and
answer questions 7 and 8
.
Ë
Study the entire graph and
answer questions 9 and 10
.
Ì
Position yourself where you think the graph begins, select Start (press
p
) to begin
data collection, and try to match the graph.
Í
When the sampling stops,
answer questions 11 and 12
.
Î
Select
New
(press
p
) to display another new graph to match.
Ï
Study the graph and
answer questions 13, 14, and 15
.
Ð
Select
New
(press
p
) and repeat the activity, if desired, or select
Main
(press
r
) to return to the main screen
Ñ
Select
Quit
(press
s
) and
OK
(press
s
) to exit the EasyData App.