The area under the speed time graph given the total dista...
The area under the speed time graph given the total distance covered by car. What is the average velocity to two places of decimals?
17.72 meter/sec.
21.67 meters/sec
2.5 meter/sec.
20.45 meters/sec.
13.33 meter/sec.
Correct answer is D
Time(sec) areas of the three sides are 12 x 2 x 20 = 20 x 2 = 40
12 x 4 x 20 = 40
40 + 40 = 80
vel. = 804
20 + 0.45 = 20.45 meter/sec.
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