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A ball of putty with mass 500 g and negligible size is moving at a speed...

A ball of putty with mass 500 g and negligible size is moving at a speed of v = 3.2 m/s before it strikes a stationary rod of length L = 42 cm and mass 2 kg that is allowed to pivot around its center. What is angular speed of the putty and rod system if the putty sticks to the rod?

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