Odpowiedzi

2009-12-28T20:22:35+01:00
M- 200 000kg
t- 30s
v - 200m\s
F - ?

V = s/t
s = v x t
s = 6 000m

F= m x s
F = 1 200 000 000 N = 1200 000kN

2009-12-28T21:37:53+01:00
M = 200 000 kg
"delta" t = 30 s
"delta" V = 200 m/s

F= ?

F = a * m
a = V/t
F = m * V / t
F = 200 000 kg * 200 m/s / 30 s
F = 1333333,3 N