1. A light, inextensible cord passes over a light, frictionless pulley with a radius of 8.2 cm. It has a(n) 16 kg mass on the left and a(n) 6.1 kg mass on the right, both hanging freely. Initially their center of masses are a vertical distance 4.1 m apart. The acceleration of gravity is 9.8 m/s 2 .
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   2. a. At what rate are the two masses accelerating when they pass each other? Answer in units of m/s ² .
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   4. b. What is the tension in the cord when they pass each other? Answer in units of N.

   
   
   
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16 kg 4.1 m 6.1 kg 8.2 cm w