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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

Basic Tools

Mechanics

Heat & Thermodynamics

Oscillation & Waves

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what about kinetiic energy of washer wwhen it hets to support lower B

8 years ago by Ram niwash

Sir if they are given us not to neglect the mass of the cord . Then what should be the approach ?

9 years ago by Tejan Gupta

Ans 1 ->

Then you considered it and the weight of the cord also did a work i.e. its weight * extension of the cord

8 years ago by ansuman dixit

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