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Calculate the value of mechanical equiva...

Calculate the value of mechanical equivalent of heat from the following data. Specific heat capcity of air at constant volume =`170 cal kg^(-1) K^(-1) , gamma = C_p/ C_v = 1.4` and the density of air at STP is `1.29 kg m^(-3)`. Gas constant`R = 8.3 JK^(-1) mol^(-1)`.

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