You pull a rope oriented at a 37∘ angle above the horizontal. the other end of the rope is attached to the front of the first of two wagons that have the same 26-kg mass. the rope exerts a force of magnitude t1 on the first wagon. the wagons are connected by a second horizontal rope that exerts a force of magnitude t2 on the second wagon. the acceleration of the wagons is 2.0 m/s2. determine the magnitude of t1.