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Object fallen down on Earth from 10 m height lost 20% energy, then it will gain …... height. |
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Answer» 20% is LOST MEANS 80% is GAINED `:. U_2=80%" of "U_1=U_1xx80/100=0.8U_1` From LAW of conservation of energy, `U_1=0.8U_1` `:. mgh_2=0.8xxmgh_1` `:. h_2=0.8h_1=0.8xx10=8m` |
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