a truck covers 10 km with the speed of 50 km/h and then further 10 km with the speed of 100km/h then, what would be the average speed of the truck
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150 divided by 20 equals to 7.5 km/h
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SPEED = DISTANCE / TIME
T1 = 10 / 50 = 1 /5 H
T2 = 10 / 100 = 1 / 10 H
TOTAL TIME = T1 + T2 = 3 / 10 H
TOTAL DISTANCE = 10 + 10 = 20 KM
AVERAGE SPEED = TOTAL DISTANCE / TOTAL TIME TAKEN
AVERAGE SPEED = 200 / 3 = 66.67 KM/H
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