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Procedure – Texas Instruments TI-84 User Manual

Page 502

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Chapter 17: Activities

499

Procedure

Procedure

Procedure

Procedure

1.

Press

z. Select

Par

,

Simul

, and the default settings.

Simul

(simultaneous) mode

simulates the two objects in motion over time.

2.

Press

p. Set the viewing window.

3.

Press

o. Turn off all functions and stat plots. Enter the expressions to define the path

of the ferris wheel and the path of the ball. Set the graph style for

X2T

to

ë (path).

Note:

Try setting the graph styles to

ë

X1T

and

ì

X2T

, which simulates a chair on the

ferris wheel and the ball flying through the air when you press

s.

4.

Press

s to graph the equations. Watch closely as they are plotted. Notice that

the ball and the ferris wheel passenger appear to be closest where the paths cross
in the top-right quadrant of the ferris wheel.

Tmin=0
Tmax=12
Tstep=.1

Xmin=

L

13

Xmax=34
Xscl=10

Ymin=0
Ymax=31
Yscl=10