Texas Instruments TI-89 Titanium User Manual

Previews 83
Ignoring air resistance and other drag forces, what is the maximum height of the ball and
when does it hit the ground?
Steps and keystrokes Display
1. Display the MODE dialog box. For Graph
mode, select
PARAMETRIC.
Press 3 B 2 ¸
2. Display and clear the
Y= Editor. Then
define the horizontal component
xt1(t) = v
0
t cos q.
Enter values for v
0
and q.
@8 # , 8 ¸ ¸ 15T p
2 X 60 2 “ d ¸
Type T p 2 X, not T 2 X.
Enter a ¡ symbol by typing either 2“
or 2I2 1. This ensures a number
is interpreted as degrees, regardless of
the angle mode.
3. Define the vertical component
yt1(t) = v
0
tsinqN(g/2)t
2
.
Enter values for v
0
, q, and g.
@¸ 15T p 2 W 60 2 “ d
| c 9.8 e 2 d T Z 2 ¸
xt1(t)=15t…cos(60¡)

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches