It is claimed that if a lead bullet goes fast enough, it can melt completely when...
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It is claimed that if a lead bullet goes fast enough, it can melt completely when it comes to a halt suddenly, and all its kinetic energy is converted into heat via friction. Find the minimum speed of a lead bullet (initial temperature of 30 °C) for such an event to happen. Lead has a specific heat capacity of 128 J/(kg °C), a melting temperature of 327 °C, and a latent heat of fusion of 2.32 x 104 J/kg. O 350 m/s O 215 m/s O 361 m/s O 276 m/s O 247 m/s It is claimed that if a lead bullet goes fast enough, it can melt completely when it comes to a halt suddenly, and all its kinetic energy is converted into heat via friction. Find the minimum speed of a lead bullet (initial temperature of 30 °C) for such an event to happen. Lead has a specific heat capacity of 128 J/(kg °C), a melting temperature of 327 °C, and a latent heat of fusion of 2.32 x 104 J/kg. O 350 m/s O 215 m/s O 361 m/s O 276 m/s O 247 m/s
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