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2010-03-17T13:16:07+01:00
Witam
dane v=57,6km/h=16m/s, s=640m, vo=0,
szukane a,t

vśr = s/t........vśr = [vo+v]/2 = v/2
v/2 = s/t
t = 2s/v = 2*640m/16m/s = 80s

v = at
a = v/t = 16m/s//80s = 0,2m/s2


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