You perform an experiment to measure the speed of a car over time. The
results are shown in the graph below.
Speed (m/s)
20
25
10 15
Time (s)
What was the speed of the car after 15 seconds?
O
O
O
A. 25 m/s
B. 22 m/s
o
O
C. 15 m/s
o
O
D. 30 m/s
E
o v
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