A runner jogs 12km North then turns and runs 16km East three hours
d = d1+d2 = 12 + 16 = 28km = Total distance ran.
If the time was 3h,
r = 28km/3h = 9.33 km/h = Avg. speed.
Disp. = 16 + 12i = 20km[36.9o].
V = 20km[36.9o]/3h = 6.67km/h[36.9o].
A runner jogs 12 km North then turns and runs 16 km east. Calculate his average speed.
the answer is true
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