Texas Instruments PLUS TI-89 - Manual (Page 418)

Chapter 23: Activities 401
23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM Page 401 of 26
5. Set the Window variables to:
t values= [0,4,.1]
x values= [0,300,50]
y values= [0,100,10]
6. Switch to the right side and
display the graph.
7. Display the TABLE SETUP
dialog box, and change tblStart
to 0 and @ tbl to 0.1 .
8. Display the table in the left
side and press D to highlight
t=2 .
9. Switch to the right side. Press
…, and trace the graph to
show the values of
xc and yc
when tc=2 .
Assuming the same initial velocity of 95 feet per second, find the
angle that the ball should be hit to achieve the greatest distance.
Hint: Press 2 a .
Hint: Press ¥ & .
Hint: Press ¥ ' .
Note: As you move the
trace cursor from tc=0.0 to
tc=3.1
, you will see the
position of the ball at time tc.
Optional Exercise