Atextbook of mass m1 = 1.92 kg rests on a frictionless, horizontal surface. a cord attached to the book runs horizontally to a pulley whose diameter is 0.200 m , then down to a hanging book with mass m2 = 2.93 kg . the system is released from rest, and the books are observed to move a distance 1.17 m over a time interval of 0.810 s. what is the tension in the part of the cord attached to the textbook?