A 5.0-g lead bullet traveling in 19.0°C air at 300 m/s strikes a flat steel plate and stops. What is the final temperature of the lead bullet? (Assume the bullet retains all heat.) The melting point of lead is 327°C. The specific heat of lead is 0.128 J/g/°C. The heat of fusion of lead is 24.5 J/g

a. 278°C
b. 186°C
c. 445°C
d. 327°C
e. 371°C


d

Physics & Space Science

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