Odpowiedzi

2009-10-11T16:17:05+02:00
Dane:
s = 36,5 m
t = 10s

szukane:
v_p =?
a = ?

s = at²/2
a = 2s/t²
a = 73 m/10 s² = 7,3 m/s²

a = (v_p - v_k)/t
v_k = 0
a = v_p/t
v_p = at
v_p = 7,3 m/s² * 10s = 730 m/s