1. The problem statement, all variables and given/known data In the figure here three ballot boxes are connected by cords, one of which wraps over a pulley having negligible friction on its axle and negligible mass. The masses are mA = 33 kg, mB = 45 kg, and mC = 14 kg. When the assembly is released from rest, (a) what is the tension in the cord connecting B and C, and (b) how far does A move in the first 0.300 s (assuming it does not reach the pulley)? http://edugen.wileyplus.com/edugen/courses/crs7165/art/qb/qu/c05/fig_5_E.gif 2. Relevant equations F=ma 3. The attempt at a solution http://s1294.photobucket.com/user/jhoversten/media/be59570a-8c6b-4612-aa51-52d1bd5d3a7d_zpsqc5pc7ce.jpg.html [Broken] Im not sure how to solve the simultaneous equations for T or a. my attempt at solving for T was incorrect.