A block of mass 0.5 kg is attached to a cord of length 0.2 m, which is fixed at one end. The block moves in a horizontal circle on a frictionless table. A second block of mass 0.2 kg is attached to the first by a cord of length 0.2 m and also moves in a circle, as shown in the Figure. If the period of the motion is 0.9 s, calculate the tension in the inner cord. (Your result must contain 1 digits after the decimal and 2% of error will be tolerated in your answers. Take g=9.81 m/s2.) L1 L2 12 8.8 margin of error +-2%