A B C Oxy A B C 2 (xA - xB)2 + (yA - yB)2 + (zA - zB)2 = rAB 2 (xA - xC)2 + (yA - yC)2 + (zA - zC)2 = rAC 2 (xB - xC)2 + (yB - yC)2 + (zB - zC)2 = rBC A B VŻ VŻ A B rŻ rŻ A A A B A B O A B rAB 2 rB rB = rABrABcos0 = rAB (rB)2 = const. t d drB (rB)2 = 2rB = 0 dt dt drB drŻ drŻ B A = - = VŻ - VŻ B A dt dt dt rB(VŻ - VŻ ) = 0 B A rB VŻ = rB VŻ B A rB VŻ = rABVBcosąB B rB VŻ = rABVAcosąA A VAcosąA = VBcosąB t V A B a A B = (t) d " rad = ; dt s d rad = ; dt s2 M h = " h d d m a = = h = h; dt dt s2 2 V m a = = 2h; h s2 Ą"n rad = 30 s Ż V = r; V = rsiną Ż Ż V M Ż dV d dŻ Ż r Ż = = r + = Ż r + V Ż Ż Ż Ż dt dt dt Ż a1 = Ż r a2 = V Ż Ż Ż Ż a1 = rsiną = h = a a a2 = 2h = a a V = r1 " 1 V = r2 " 2 r1 2 = = i r2 1 D1 = mz1 D2 = mz2 m z1 z2 D1 2 n2 z1 i = = = = D2 1 n1 z2