- A 5-g lead bullet traveling in 20°C air at 300 m/s strikes a flat steel plate andstops. What is the final temperature of the lead bullet? (Assume the bulletretains all heat.) The melting point of lead is 327°C. The specific heat of leadis 0.128 J/g.°C. The heat of fusion of lead is 24.5 J/g.a. 227°Cb. 260°Cc. 293°Cd. 327°Cplease choose the correct option.