Guessing you want the average speed. We can multiple each speed by the time we spent going that speed, and them all together and then divide by the total time we spent in traffic to get the average speed. We spent a total of 7.5 minutes in traffic, so average speed = (12*1.5+0*3.5+15*2.5)/7.5 = 7.4 m/s
Fossil fuels . . . coal, oil, natural gas
Among primitive cultures, wood is an important source.
I think it may be c i learned about this last year
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Hope this helps
There are three types: divergent, convergent, and transform boundaries. I hope this helps.
