Apple Newton Works Graphing Calculator Manual de usuario Pagina 25

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Additional examples
Find the range, mean, and standard deviation of these observations:
16,4,8,14,3,10,2,24,11,7,9
An object is released from rest and falls freely. Calculate its position and velocity after
1, 5, and 10 seconds. Take the origin 0 as the elevation of the starting point, the y-axis
vertical, and the upward direction as positive.
The initial coordinate and initial velocity are both negative. The acceleration is
downward, or –32 ft/s
2
position = v
0
t + .5at
2
= –16t
2
velocity = v
0
+ at = –32t
Using Functions and Variables 25
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