Answer to Question #25540 in Mechanics | Relativity for Simon
S - a total distance
t - a total time
V = S/t
S = x2 - x1
t = t2 - t1.
V = (x2 - x1)/(t2 - t1) = (73.5m-48.5m)/(8.5sec-6sec) = 25m/2.5sec = 10m/sec
V = 10m/sec * 3600sec/1h * 1km/1000m = 10*3.6 km/h = 36 km/h
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