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220
13 - 4 Using Dynamic Graph Memory
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1 2 3456
13-5 Dynamic Graph Application Examples
Example To use Dynamic Graph to graph the parabolas produced by balls
thrown in the air at an initial velocity of 20m/second, at angles of
30, 45, and 60 degrees. (Angle: Deg)
Use the following View Window parameters.
Xmin = –1 Ymin = –1
Xmax = 42 Ymax = 16
Xscale = 5 Yscale = 2
With the initial velocity defined as V and the angle defined as
θ
, the parabolas can be
obtained using the following expressions.
X = Vcos
θ
T
Y = Vsin
θ
T – (1/2)gT
2
g = 9.8 meters per second
1. Input the functions, making sure to specify them a parametric (Param) type.
2. Display the coefficient menu and specify the dynamic coefficient.
4(VAR)daw
3. Display the coefficient range menu and specify the range values.
2(RANG)
dawgawbfw
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