Lesson Info Force and Fan Carts
DATA
EXPERIMENT
Speed vs. Time
180 Speed (cm per sec)
Speed data
Speed
(cm per sec)
0.0
Time
(sec)
0
160
Position
140
O Speed
120
1
18.0
100
2
36.0
80
Bar graph
3
54.0
60
4.
72.0
O Line graph
40
5
90.0
20
Time (sec)
9 10 11 12
0
0
1 2 3
4 5
6
7
8
Export data
The cart has crossed the finish line.
90
60 120
30 4501
400
500
300
-0
180-
100
200
cm
0

hi there!

the answer will be d: 2

if im not mistaking its

step-by-step explanation:  

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this

answer: i ! the answer is   9000 seconds, also d

hope i

-lavira : )