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20050401
Example The path over time T of a ball thrown in the air at initial velocity V and
an angle of
θ
degrees from horizontal can be calculated as follows.
X = (Vcos
θ
)T, Y = (Vsin
θ
)T – (1/2)gT
2
(g = 9.8m/s
2
)
Use Dynamic Graph to plot the path of a ball thrown at an initial
velocity of 20 meters per second, at horizontal angles of 30, 45, and 60
degrees (Angle: Deg).
Use the following V-Window settings.
Xmin = –1, Xmax = 42, Xscale = 5
Ymin = –1, Ymax = 16, Yscale = 2
T
θ
min = 0, T
θ
max = 6, T
θ
ptch = 0.1
Procedure
1 m DYNA
2 !3(V-WIN)-bwecwfwc
-bwbgwcw
awgwa.bwJ
3 !m(SET UP)2(Stop)
cccccc1(Deg)J
4 3(TYPE)3(Parm)
(cacav(A))vw
(casav(A))v-e.jvxw
5 4(VAR)
6 2(SET)dawgawbfwJ
7 3(SPEED)3( )J
8 6(DYNA)
Result Screen
···
→
←
···
5-8-6
Dynamic Graphing