able traffic flow occurs when drivers accelerate and brake too often. Unstable traffic flow wastes energy. The table bela neters per hour (km/h), in an unstable flow situation. Time (p.m.) 4:00 4:10 4:20 4:30 4:40 4:50 5:00 Speed (km/h) 30 20 50 70 20 70 20
able traffic flow occurs when drivers accelerate and brake too often. Unstable traffic flow wastes energy. The table bela neters per hour (km/h), in an unstable flow situation. Time (p.m.) 4:00 4:10 4:20 4:30 4:40 4:50 5:00 Speed (km/h) 30 20 50 70 20 70 20
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Unstable traffic flow occurs when drivers accelerate and break too often unstable traffic flows wastes energy the tablet give one example of traffic speed in the kilometer per hour in an unstable flow situation
What is the mean speed in km/h in this situation
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Unstable traffic flow occurs when drivers accelerate and brake too often. Unstable traffic flow wastes energy. The table below gives one example
kilometers per hour (km/h), in an unstable flow situation.
Time (p.m.)
4:00
4:10
4:20
4:30
4:40
4:50
5:00
Speed (km/h)
30
20
50
70
20
70
20
What is the mean speed, in km/h, in this situation?
You may use the calculator.
A.
20
B.
30
C.
40
D. 50
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