... (245)x(10 + 50j) = 102 123 ,70 = 2,4rad cd UAM = i.ZAM = (245)x(40 - 100j) = 215,4 123 ,70 = -0,4rad cd ... 12 1 1 1 k k k 2 = T12 + T22 * Song song: k = k1 + k2 nhau thì:2 2 2 12 1 ... chung dao dong dieu hoa khong van toc dau, bo qua moi luc can, goc thoi gian la luc tha cac vat,tinh khoang cach giua hai vat khi lo xa gian cuc dai lan thu nhat: A.14.146 B.16.146cm C .12. 146...