Angular Velocity of a turntable after weights are added

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SUMMARY

The discussion centers on calculating the angular velocity of a 2.0 kg turntable with a 20-cm diameter after two 500 g blocks are added. The initial angular velocity is 100 rpm, and the blocks fall and stick to the turntable at opposite ends of a diagonal. The key principle to apply is the conservation of angular momentum, which allows for the determination of the new angular velocity immediately after the blocks impact the turntable.

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doneganstm
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A 2.0 {\rm kg}, 20-cm-diameter turntable rotates at 100 {\rm rpm} on frictionless bearings. Two 500 {\rm g} blocks fall from above, hit the turntable simultaneously at opposite ends of a diagonal, and stick. What is the turntable's angular velocity, in rpm, just after this event?

I'm not quite sure on how to set this one up or what equation to use, can anyone give me a push in the right direction?
 
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Hi doneganstm! Welcome to PF! :wink:

Hint: conservation of angular momentum. :smile:
 

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