# physics question #5?

A light, inextensible cord passes over a light,

frictionless pulley with a radius of 13 cm. It

has a(n) 23 kg mass on the left and a(n)

9.5 kg mass on the right, both hanging freely.

Initially their center of masses are a vertical

distance 3.7 m apart.

The acceleration of gravity is 9.8 m/s2. At what rate are the two masses accelerating when they pass each other?

Answer in units of m/s

2

.

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