نوشته اصلي بوسيله mohsentaj
salam bacheha man az yeki az ye ostad daneshgah porsidam
soal38 goft gozineye2.....
du=4,dy=0.02,
f=mg=20*10,
A=1
M=1
nazar shoma chie??????
soal36ham goft gozineye1 chon vahed cp bar hasb kilo ast
va soal 41 ham goft1
mikhastam bebinam dorostan???