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Old 20.10.2004., 21:31   #5
ma ne krivo si skuzio..

ovak:
s = (a*t^2 ) / 2


s[8] = ( a * 8^2 ) / 2
s[8] =32*a

s[7] = ( a * 7^2 ) / 2
s[7] = 24.5*a

s[8] - s[7] = 30
(32 - 24.5 ) *a = 30
a = 30 / 8.5
a = 3.53 m/s^2

v = a * t
v = 3.53 * 8
v = 28.24 m/s

p.s.

moram priznat da mi je trebalo jedno 15 minuta da skombiniram
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