22 15 J energy is paid by a person to pull an object of mass

Last updated: 6/10/2023

22 15 J energy is paid by a person to pull an object of mass 3 kg from depth h in empty well 40 energy is wasted due to friction When this object reach to the edge of well suddenly rope breaks and object goes to bottom of well if its velocity at bottom is 3 ms find the death of well A 6 m B 2 m C I m D 0 45 m 23 Two balls A and B Pagem the 4se heip Ratio 12 eir mass are 1 4 when potential