2014/5/12 ·Solution Homework for week 3 30 %-k1B45x10=0228x0'm Problem 3.1,3.2 and 3.6 -=91.790/s a=60×2r=83.7811s R -2.49 1-(o1a2T+[2s(e1a月 %=Ry4,=2.49x0.0028×10°3=-0.0568mm 82014/5/12 8 • Solution:     2 2 2 1 2.49 1 / 2 / n d n R                  P t P t ( ) sin   3 3 30 0.0228 10 m 1314.5 10 st P u k       6 3 1314.5 10 91.79(1/ s) 156 10 n K m       2 83.78(1/ s) 60 N      3 0 2.49 0.0028 10 0.0568 d st u R u mm       Homework for week 3 • Problem 3.1, 3.2 and 3.6