Question

Ill): The system shown in Fig. 3 is in equilibrium when ф 0°. Knowing that initially °,-150° and that block C is given a slight nudge when the system is in that position, determine the speed of the block as it passes through the equilibrium position ф-0. Neglect the weight of the rod. (20 points) .В i b 35 2 Fig. 3 5.3

Answer 1

(niven that ф:158 initial) у The hven re as shoem bel ou, 35.2b 5. P usng cnsewobon of eney whese, HE -Kinebc eneryy AB 3.2 p BD 12ft

Apply cosưe rule ' eth the Rnal ength be x (sh.ch etual 5 ) Te inegth of spong is, at that pos'hon +1-22 : 3-1, ift these fose, of the Spring, extens ニ3.94-3.4)

final pesihiony ae. at in.ia Exe initial inebc ene 3yo tPofenbak enes»y ef mass 3 5 Potential eof ma5 ろ%2.65

a PE ะ-し130.53メw"+12.75 112.36 w 113 Yad 부) V13 5.3 the Speed of the blR6H s