Odpowiedzi

2009-11-07T21:20:44+01:00
Dane
F=?
m=400t
s=100m


F=m/s
F=400/100=4N
2009-11-07T21:28:30+01:00
M1 = m2 = 400t = 400000kg
r = 100m
F = m1*m2/r²
F = (400000 * 400000)/10000 = 16 000 000[N] = 16MN