Odpowiedzi

2010-03-31T21:45:37+02:00
F = 2000 N
t = 0,2 s
m = 80 kg
v = ?

F=ma
a=v/t

F=m*v/t
F*t=m*v
v=(F*t)/m

v = (2000*0,2)/80
v = 400/80
v = 5 [m/s]
4 5 4