Physics, 12.09.2019 18:30 CarleySamuel
You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. your average speed over the 12 km drive will be
(a) a greater than 70 km/h.
(b) less than 70 km/h.
(c) exactly 38 km/h.
(d) it cannot be determined from the information given because we must also know directions traveled.
(e) equal to 70 km/h.
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