Texas Instruments TI-89 Voyage 200, User Manual

Page: 764 / 1008

Activities 764
Setting Up a Parametric Graph and Table
Setting Up a Parametric Graph and Table Setting Up a Parametric Graph and Table
Setting Up a Parametric Graph and Table
Perform the following steps to study the flight of a hit baseball that has an initial velocity
of 95 feet per second and an initial angle of 32 degrees.
1. Set the modes for
Page 1
as shown in this
screen.
2. Set the modes for
Page 2
as shown in this
screen.
3. In the
Y= Editor
on the left side, enter the
equation for the distance of the ball at
time
t
for
xt1(t)
.
xt1(t)=95 † t † cos(32 ¡ )
Note:
Press
2 “
to obtain the degree
symbol.
4. In the
Y= Editor
, enter the equation for the
height of the ball at time t for
yt1(t)
.
yt1(t)= L 16 † t^2+95 † t † sin(32 ¡ )