[SOLVED] assume that, at a certain angular speed ω2, the radius r becomes twice l. find ω2.

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assume that, at a certain angular speed ω2, the radius r becomes twice l. find ω2.

An object of mass M is attached to a spring with spring constant k whose unstretched length is L whose far end is fixed to a shaft rotating w angular speed.


 
An object of mass M is attached to a spring with spring constant k whose unstretched length is L whose far end is fixed to a shaft rotating w angular speed.


 

Answer:

Best Answer for assume that, at a certain angular speed ω2, the radius r becomes twice l. find ω2.

ω= √(k/2M) is thee answer.

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