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//Example 14.8
rate_heat=120;//Rate of production of heat, Q/t, (W) or (J/s)
L_v=2430;//Latent heat of vaporization (kJ/kg) or (J/g), See Table 14.2
rate_mass=rate_heat/L_v;//Rate at which water must evaporate (g/s)
rate_mass=rate_mass*60;//Rate at which water must evaporate (g/min)
printf('Water must evaporate at a rate = %0.2f g/min',rate_mass)
//Openstax - College Physics
//Download for free at http://cnx.org/content/col11406/latest