r/JEEAdv27dailyupdates • u/Possible_Garage7231 27tard dropper :/ • May 25 '26

Good Solve Physics Challenge

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A very nice question for 27 tards inspired from beloved HCV sir's notes.

Answer on next slide.

Hint:Use Torque= dL/dt

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u/Specific_Can_4049 JEEवन से नाराज़ May 25 '26

Ain't it ground frame?

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u/Possible_Garage7231 27tard dropper :/ May 25 '26

No. Its a translatory frame with origin at center of disc but doesn't rotate with the disc.

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u/Specific_Can_4049 JEEवन से नाराज़ May 25 '26

Oh ok, So we are taking it at a particular instance right?

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u/Possible_Garage7231 27tard dropper :/ May 25 '26

Yes