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Parametric Graphing
Parametric Graphing
Parametric Graphing
Parametric Graphing
Graph the parametric equations describing the path of a ball kicked at an angle (q) of 60¡
with an initial velocity (v
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
1. Display the
MODE
mode, select
PARAMETRIC
Press 3 B 2 ¸
2. Display and clear the
define the horizontal component
xt1(t) = v
t cos q.
0
Enter values for v
Press 8 # , 8 ¸ ¸ 15T p
X 60 2 " d ¸
Type T p X, not T X.
Enter a ¡ symbol by typing either 2 "
or 2 I 2 1. This ensures a number
is interpreted as degrees, regardless of
the angle mode.
Previews
) of 15 meters/sec. The gravity constant g = 9.8 meters/sec
0
dialog box. For
Graph
.
. Then
Y= Editor
and q.
0
Display
xt1(t)=15t...cos(60¡)
2
.
92
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