A person trying to lose weight by burning fat filts a mass of `10 kg` upto a being of `1m 1000` time . Assume that the potential energy lost each time be lower the mass is dissipated . How much far will be use up considering the work done only when the weight is lifted up ? Far supplies `3.8 xx 10^(7) J` of energy per kg wich is canverted to mechanical energy with `x 20 %` efficiency rate Take ` = 9.8 ms^(-2)`A. `6.45xx10^(-3)` kgB. `9.89xx10^(-3)` kgC. `12.89xx10^(-3)` kgD. `2.45xx10^(-3)` kg

A person trying to lose weight by burning fat filts a mass of `10 kg`

1.	A person trying to lose weight by burning fat filts a mass of `10 kg` upto a being of `1m 1000` time . Assume that the potential energy lost each time be lower the mass is dissipated . How much far will be use up considering the work done only when the weight is lifted up ? Far supplies `3.8 xx 10^(7) J` of energy per kg wich is canverted to mechanical energy with `x 20 %` efficiency rate Take ` = 9.8 ms^(-2)`A. `6.45xx10^(-3)` kgB. `9.89xx10^(-3)` kgC. `12.89xx10^(-3)` kgD. `2.45xx10^(-3)` kg
Answer» Correct Answer - C

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