Two blocks 1 and 2 are connected by a rope over a pulley as shown. The…

Two blocks 1 and 2 are
connected by a rope over a pulley as shown. The pulley is very
light (massless) and rotates with essentially no friction.
Calculate the mass m1, given that m2=50 kg and that block 2 moves
and accelerates downwards at 319 ms2 when =15 and k=046.
Atwood Machine on a Ramp 2