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Law of Conservation of Mechanical Energy

nta stone of ...

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nta stone of mass 2kg is attached with a string of length 2m rotated in a vertical circlen nttension in the string at highest poinnt is 44N.Calculate tension:-n nt1)at lowest pointn nt2)when string is 60degree with vertical in lower half circlen nt3)when string is 60degree with vertical in upper half circlen nt4)when string become horizontaln

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