What is the minimum velocity of a lead bullet if it completely melts when it strikes a wall? The initial temperature of the bullet is 127 °C and the melting point of lead is 327 °C. Assume all the thermal energy produced by the impact is absorbed by the bullet. (Take Clead %3D128 J/kg °C, L=23 kJ/kg)

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49. What is the minimum velocity of a lead bullet if it
completely melts when it strikes a wall? The initial
temperature of the bullet is 127 °C and the melting
point of lead is 327 °C.
Assume all the thermal energy produced by the
impact is absorbed by the bullet.
(Take Clead=128 J/kg °C, L=23 kJ/kg)
Transcribed Image Text:49. What is the minimum velocity of a lead bullet if it completely melts when it strikes a wall? The initial temperature of the bullet is 127 °C and the melting point of lead is 327 °C. Assume all the thermal energy produced by the impact is absorbed by the bullet. (Take Clead=128 J/kg °C, L=23 kJ/kg)
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