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The a-s graph is given below for a car. The car starts from rest at s = 0 and is subjected to an acceleration
as shown in the graph.
a (ft/s?)
a = b
a = -e*s + f
d s (ft)
Values for the figure are given in the following table. Note the figure may not be to scale.
Variable
Value
ft
12
s2
320 ft
d
470 ft
e
0.0406
f
25
a. For the interval 0 <s < 320 ft, determine the equation for velocity as a function of position V(s).
b. For the interval 320 < s< 470 ft, determine the equation for velocity as a function of position V().
c. Determine the time needed to travel 100 ft.
Round your final answers to 3 significant digits/figures. Round coefficients in V, equations to 3 significant
digits/figure.

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