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MOMENT OF INIRTIA OF HOLLOW CONE .Q2 MOMENT OF INIRTIA OF SOLID CONE WHOSE DENSITY IS VERING WITH RADIUS .
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MAXIMUM ELLONGATION IN SPRING WHEN THE MASS WITH SPRING IS THROWN WITH VELOCITY 4M FROM EQUILIBRIUM GIVEN THAT K=50 MASS OF BODY
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find the moles of NAOH =250*0.20/1000 no of moles = 0.05 moles=mass/molar mass so, mass=moles*molar mass molar mass of NAOH is =40 so,mass=0.05*40 =2g mass of NAOH needed is 2g {answer} 3nx ...
