Compute the impact velocity necessary to heat and completely melt a lead bullet initially at 60 C when it strikes a massive steel plate. Overlook heat transfer to the plate. The melting point of lead is 327.5 C. Explain the enthalpy of fusion of lead is 4.786 kJ/mol as well as its specific heat is 127 J/kg/K.
Enter the correct numerical value to 2.0% precision. Express scientific notation like 4.294E-15