Odpowiedzi

2010-04-14T11:20:33+02:00
F = 5
m = 10
t = 5

F = ma
5 = 10a
a = 0,5

s = at²/2
s = 0,5 x 25/2 = 6,25

W = F x S
W = 5 x 6,25 = 31,25