1.

Two lead bullets of equal mass top after head-on Collison and reach their melting point due to the heat generated. The temperature of the bullets before collision was 35^(@)C. Find the relative velocity of the bullets before collision. Specific heat of lead = 0.03 cal cdot g^(-1)cdot^(@)C^(-1), melting point of lead = 335^(@)C, J = 4.18 xx 10^(7) erg cdot cal^(-1).

Answer»


ANSWER :`294.4 m CDOT s^(-1)`


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